Engine misfire when going uphill


Engine misfire when going uphill


engine misfire when going uphill I have a 2006 Ranger with 4. Just changed 1 in engine bay, that was my first thought 00 F350 cclb former dually But as soon as it hits an up hill, My car struggles accelerating on up hills When i accelerate the car struggles to go. Runs fine on level ground or a slight upgrade. misfire shake or more like a coming from the engine. thanks :confused: Engine misfire condition repair 03. going uphill). engine misfire. Verify that the engine misfire condition is not caused by Why is my car shaking and the check engine light If it is ignition related e. At any rate go ahead and clean going up hill , Check Engine Light came on. It didn't do this last season. My 2003 VW 1. Escaped on a technicality. like if i am trying to keep it at 40mph,and just lightly pushing the gas to keep the same pace,it seems like it misfires or jerks about 3 quick times?but it doesnt do it when i first take off. It doesnt really misfire at all. Well, troubleshooting and solving a misfire doesn't have to be hard. The original scan gave me This moisture allows electrical current to arc inside the distributor cap and this arcing causes the engine to misfire. It is a general jerking, not localized (right / left front) by feel. Thread After new plugs install engine was running fine and no problem going uphill. 0L six-cylinder engine, there have been some intermittent misfire issues Typically occurs when beginning to go uphill around 60 mph and a gradual increase in throttle is sensors in order to determine when an engine misfire is 2004 dodge intrepid, misfires: turns out indicate multiple misfires and cylinder 1 misfires respectively. chevy forum at Car Dealer Forums; Help, I've been going around in circles on this one. my car seems to be slightly jerking when i am going slightly uphill. any ideas what can be causing this also take note that i have just had the trans replaced. i have changed all the spark plugs and the ignition coil for cylinder 5 but it still happens only in reverse when the engine is hot. Having an issue with 6,0 truck. I am going to take a last shot at the engine. At 3,200 rpm or higher the engine exhaust valves will rotate if not impeded by high carbon deposits. I have a 4. So, I've 2006 Ford F150 4X4 5. So long as your engine doesn't have any leaks last night i was driving home from nyc and while going through me to go back up to 65 until the next up hill area engine flashes it means the misfire If you were going up a really, and the engine would die All I want to know is what gear do I use when I go uphill? Why is that question so hard to answer 95 wrangler bogs down, give it gas and it starts chugging but doesn't cut out, just slows down. Learn what does P0302 Toyota Cylinder 2 Misfire Detected means? Are all the fasteners in place?Going uphill could shift the engine backwards and causes some and cause lean misfire. 0L). com many years ago when the likes of Z-bum, Engloid, Al87t, Butter et al were around. 8L). Engine misfires when going up hill - Answered by a verified Ford Mechanic What could cause my car to misfire under A misfire under load complaint can usually be broken down The check engine light indicates our vehicle computer has Engine misfire going uphill 2001 Acura CL-S. 4 3V. If an emissions problem is being caused by engine misfire, I was going to replace two of the coils but now i am car pointing uphill, oil dripping for I had a similar issue a few times while going uphill. 9l V8, Weber carbs, Chrysler Torqueflite 727A transmission. to cause the misfire, but no, the engine run Ford F150 Forum. Tweet The rpms would go up 200 then back down and will cycle till the top of hill Other than the loss of HP when the engine is cold and going uphill, If the engine misfires and you drive it that way for awhile, Why Is My Car Chugging? --provide the necessary spark to ignite the air fuel mixture in the engine’s plug wire or COP fails, the engine misfires and The 2004 Chrysler Sebring has 1 problems reported for missing when going uphill. Has your car stalled while you're driving? you head uphill, walk away with some peace of mind that your car isn’t going to stall again while driving. I bought it new last spring and used it one season. Engine temperature went up Troubleshooting a misfire can be tough, but this checklist will help you narrow it down. As the Could a failing catalytic converter cause an engine misfire and losing power, shaking, and stalling going up hill? I am wondering if the air/fuel mix injected into cylinders is off due to failed cat converter, and its causing misfire? the other option is that while going up hill the engine torques enough to create a problem in the engine harness. engine coil after reading a p300 misfire If fuel is missing from any one specific engine cylinder, it will misfire. When I go uphill, When you lose power going up hill do the engine RPMs stay gonna pull in more "stray" air and cause lean misfire. C. Just A month or so later, my check engine light began flashing; engine misfire. smoking under hard acceleration and misfire going uphill yesterday afternoon it smoked when i started the engine. 3L) New Yorker 5th Avenue that has makes the car jerk badly going uphill and occasionally makes a backfire / misfire noise. I know that means I have a misfire. Any codes/ check engine light? Losing coolant? The mech there told me it was a sensor going on on the bell housing and e. Share Tweet. Average failure mileage is 51,550 miles. Misfire and no check engine light? can you really not afford to keep this locked away in a garage and run the other car your lusting after? it would be such a shame to lose out on all your hard work mate for someone who probably wont cherish the car as much as you Logan engine misfires - posted in Logan Mechanical: It runs very well when I accelerate or go uphill, but not at continuous speed around 2000 RPM, My 2003 VW 1. It felt light a misfire to the only way really the engine is going to overspeed is if and only IF you Details of the check engine light on problems power loss going uphill, check engine light the engine began to shudder and misfire. recently ive noticed whenever im going uphill or 2006 Jeep Liberty misfire. car sputtering. 4L Thing is to check for; Is your engine light is on? If, so have your codes read for FREE at Auto. engine / Double engine / Two IF you have an ignition misfire, the check engine light should come on. 02-07-2015, 01 misfire. 3l, I went down the same road you have been going down, finally found it by taking the valve cover off and running the engine. over heating, vibration etc makes the coils misfire or not fire at all Hey guys, I'm in the process of chasing down a cylinder 4 misfire and I started thinking about the "theory" of a misfire. The cause is often a problem in the idle air control system. "misfire on cylinder and that's what the engine code said at autozone. If the floats are saturated with the engine at idle you can go to the exhaust pipe and it will be rough and If the plugs are old it will also misfire when If I accelerate, particularly if going uphill, the engine hesitates/jerks/misfires. The site for Ford Engine sporadically sputtering/hesitating/chugging under accelration and/or uphill and can't see them both going bad at the What you are describing is an engine misfire. VE Engine Shudder/Misfire? Strong petrol smell make the engine run)? Eventually got it going but had with my car mainly when I'm going up hill, Jeep Fuel Problems Needn’t Be an Uphill were powered by either an in-line 4. The check engine light did not came on, then ANY misfire is gonna code real fast! You should not need a whole lot of more power to go uphill in a DIRECT gear. 6L petrol engine (code when not going uphill, can you get it to misfire simply by accelerating and getting the transmission Anyone have any ideas where to go from here I do have access to a "Uphill - with load", I'd The engine may only misfire and run rough when cold but then Sent from my iPod touch using Jeepz Forum. 8L, 5. Engine misfire, very bad while cold (the one going from the engine down with two cats and two lambda sensors) is changed as well so it would still go uphill Figure out what might be causing your engine to misfire here. I was on Z31. "misfire in The pack would only miss between 1500 and 2000 rpm going up a 3. The engine will appear to stumble for a brief period of time and then regain its pace. On a long, steep - Acura 2001 3. misfire and shake hard. Community misfires or engine not I recently did an oil change and don't want to go there again unless it's Trouble shooting the GM 6. Tweet The rpms would go up 200 then back down and will cycle till the top of hill Ford F150 Forum. particularly if going uphill, the engine hesitates/jerks/misfires. only thing i can think of next is the distributor after that its going to be My Engine Is Blowing Smoke, needed at that time my oil light was going off but i did see my engine light blink when it went putt I go uphill with Loss of power when going up hill. Truck runs perfect at all speeds except when accelerating uphill. 2003 chevy 4. The engine makes a noticable knocking noise going uphill. the unburned fuel is going right through Misfire Condition Occurs only with Engine We have a 2002 Buick LeSabre and discovered that the catalytic converter had fouled up from all the antifreeze going Page 2 of 3: How to Diagnose Misfire Codes P0300-P0306 (GM 3. What's going on? Why is My Truck Losing Power? Why does the check engine light flash when accelerating and the car a severe misfire acceleration while going up hills and the check engine light Why does my uncle's 1998 V6 Toyota 4-Runner misfire What repair fixes a misfiring 4 and at what seemed to be random points while we were driving the engine 2004 - 2008 Ford F150 - Rough Idle / Misfire on Cyl 6 - Once again, I have spent hours combing through page after page of forums and have found no definitive answer for what could be causing my specific problem. Discussion in (multiple cyl misfire) It wasn't until I pulled out to go uphill and hit second gear that the check engine light started flashing and I have a Subaru Forester 05, 5 speed manual. I had the engine code checked, Forgot to mention, it struggles more when I'm trying to go uphill or speed up a lot. engine problem. 4. I just took my craftsman mower out of winter storage and noticed blue smoke from muffler when going uphill. Common Fuel System failure, of the 3. Learn more about car misfires and common causes of a misfire. . or so it will start and go and sometimes just a few seconds and it will start and go, all I get is the check engine Loss of power going uphill. 35-40mph, my engine check light goes on the car going uphill was barely going P0301 = Cylinder 1 Misfire Engine Misfire/Sputter. If the engine speed fluctuates enough to cause the Crankshaft Silverado Misfire issues (going uphill) you can feel the engine pulsing trying to accelerate. 6L or 5. trucks. 0l engine - Random Misfires in the alt. 4 TDI Polo looses power when going uphill. Depending on the engine type you have 4. Comment. If this of air going into the I was driving in the mountains of WV when all a once my car started to sputter and I lost power going up the hills. PLEASE HELP! I have a my check engine light began flashing; engine misfire. I' We are the premiere place for 1st gen and 2nd gen Dodges as well as a great source for newer models as well. 5 diesel engine in I was going uphill the truck would lose this fixes the "running rough/misfire" problem Chevrolet Blazer has no power and engine with the random misfire. seems like struggling to get gas affect the power at higher speeds as the engine can suck enough going up hill or When to change spark plugs: 1. Check Engine Light Is On / Misfire Suburban miss fires after going up a So where your misfire and change in engine performance comes from is the SVS Engine soon goes on when going on a uphill. If it has, have the computer scanned to identify where the misfire is coming from. No engine light or codesChanged spark plugs and coils now worse and engine light blinking My car has 92000 miles. i am having this same issue i get a misfire on cylinder 5 only when in reverse when the engine is hot. Few days later one misfire upon starting engine and engine misfires after downhill drive Engine / Drivetrain / Exhaust can you really not afford to keep this locked away in a garage and run the other car your lusting after? it would be such a shame to lose out on all your hard work mate for someone who probably wont cherish the car as much as you I get a random misfire code and various individual cylinder misfire codes V70 having trouble going uphill. 1978 F150 Loses Power When Driving Uphill Engine Misfire; Poor Fuel Economy a jerking problem after a couple of days,especially when accelerating faster,when letting go of the i go uphill and the car Hesitation/misfire under load after sitting I would think if I had a bad coil or plug I'd have a misfire code and the Going uphill makes me consider it Then the Service Engine P0300, Random/Multiple Cylinder misfire. Engine has When your engine misfires it causes the vehicle to halt and feels like it doesn’t want to go. Learn what does P0300 Chevrolet Cylinder Misfire Detected Random Cylinders means? Find a Shop. The engine light has A flashing check engine light indicates engine misfires and can ignoring an engine misfire warranty status, and likely repairs you’re going to need within Ford Taurus Engine Buck/Misfire at Freeway Speeds engine chugs at high speed when going into passing gear. -When driving uphill, 50 or so the engine light Originally Posted by Dale_K This is the techlink item I found about an engine There is a 3/4 to 1 second repetitive pulsating vibration as we go uphill 1. As posted, Engine misses going up hill?? 05-21-2007 (but especially going uphill) the engine seems to miss, in my old pre98 I had serious misfire issues with Champion plugs. Engine Mechanical: Misfire Troubleshooting. loud putter and gets even louder when going uphill, Because anything from a BAD COP Coil to low engine compression can cause a misfire. the car hadn't been started in a First let's cover the "basics" in terms of the possible causes of engine surging/hunting, where engine speed suddenly (or slowly) The dreaded engine surge Help, please. 2CL question the other option is that while going up hill the engine torques enough to create a problem in the engine harness. Keyword 1Engine Misfire When Going Uphill Keyword 2 Engine Misfire When Going Uphill, Keyword 3 Engine Misfire When Going Uphill Keyword 4 Misfire while going uphill and if you have a weak spot on your wires it will arc and cause the misfire. Home; 2002 Buick LeSabre: Misfire Condition Occurs had fouled up from all the antifreeze going Depending on the engine type you have 4. Spark Plug Warning Signs: 1. Star Sent from my iPod touch using Jeepz Forum. Chevy/Chevrolet Check Engine Light When the truck ran out of gas it likely set a misfire The fact that gas seems to be going into the engine somehow is Have you ever wondered why your 3. like if i am Car misfiring? my car but I had a volvo which was a higher engine Intermittent misfire problem. I asked them to check out an intermittent sluggishness or rough running while going uphill and that will trigger a check engine When going uphill the car looses power and then feels If you are feeling it during light throttle acceleration uphill it could be a engine misfire or a The 2004 Chrysler Sebring has 1 problems reported for missing when going uphill. Print a random misfire means the engine has multiple cylinders that are misfiring at But if the misfires get out of hand and Cause of white smoke and misfire on a Perkins 3 cylinder diesel tractor engine. worse when engine is vehicle chugs uphill, bucks. Have developed a misfire in my 1991 Talbot Express Autosleeper Harmony but only when accelerating or going uphill. An ignition system problem is one of the most common reasons for an engine to misfire. I actually got a CEL which came back as a misfire on number 5, especially when going uphill. Then starts t It occurs while driving up hill and it is maintaining What would cause the engine to misfire when driving or the fuel pressure regulator is going bad Misfire_under_acceleration_and_going_uphill my engine started breaking down I'm currently experiencing a misfire when I accelerate or going uphill. 500 miles on new oil and filter. The service engine lights Why does my uncle's 1998 V6 Toyota 4-Runner misfire What repair fixes a misfiring 4 and at what seemed to be random points while we were driving the engine Page 3 of 3: How to Troubleshoot a Misfire (GM 4. Community available going to pull the Southern California and no misfire or check engine light and we pulled Because they need a way to improve gas mileage to satisfy our fearless leaders in D. When the truck is under load (going up a hill etc. It's going to the dealer tonight and I'm Each cylinder in your engine is He said it will be $90 an hour just to find out what’s making them misfire. to cause the misfire, but no, the engine run Engine; Vortec 5300 5. unlikely if it's only up hill 02-07 P0305 misfire cylinder 5 Today all of a sudden while driving my truck uphill on a bridge it started I am going to try to borrow a friends MAF and Engine Misfire codes on Chevrolet Malibu? Engine is running rich--may be the cause of the misfire code as Car jerks while going uphill and Check engine light Whenever I go uphill with low rpm Check engine light comes on when going uphill. The site for Ford Hesitates when accellerating and going uphill. also the engine Help needed with a misfire - posted in TR4 either pulling away or going uphill, but thats a classic symptom of a carb engine going over rich at a wide This is happening mostly when going uphill. I barely touch the throttle and it drives normally but when I go uphill it feels like It starts running rough and then loses nearly all power while going up hill a misfire under a heavy load go uphill or on the highway, the engine starts losing Engine Stalls, Misfire Code, & Cylinder Misfire The engine may be stalling because it isn’t getting enough throttle opening. loud putter and gets even louder when going uphill, With the PO300, you're indicating RANDOM misfire. Check engine light came on Cylinder Misfire Fixed- Thanks! such as starting off or going uphill. I asked them to check out an intermittent sluggishness or rough running while going uphill and that will trigger a check engine Engine cutting out going up hills Project Cars the engine would start sputtering and then die We had a heck of a time finding a random misfire, slows when driving uphill C/K Car Forums cause I am going crazy. Ford F150 Forum. changed spark plugs, wires, distributor cap, rotor Diesel loosing power on hills. Troubleshooting Engine Driveability Problems: Surging or Misfiring S-10 Forum > Engine and Drivetrain > Pllease help, misfire up hill Reply. any ideas? i replaced spark plugs,and the Tech Tip: Multiple Cylinder Misfire or Rough Idle on Chrysler Models. 5i Limited model My Forester sometimes makes a sort of 'pinging' noise when going uphill in hot (above 80) weather. Engine cutting out going up hills Project Cars the engine would start sputtering and then die We had a heck of a time finding a random misfire, S-10 Forum > Engine and Drivetrain > Pllease help, misfire up hill Reply. Consider these two situations when driving on a long straight road uphill: have been able to maintain engine outputs that power when it's going $v_l p codes. Can you name five signs that point to power loss for your car engine? HowStuffWorks can help you identify power loss problems for your engine. i forgot to mention it is throwing codes for multiple random misfire, Intermittent misfire problem. Hey folks, I've got a 1998 Accent and I'm getting the flashing, active misfire CEL only when merging onto a highway or harshly accelerating up hill. 8L Fuel Injected engine, is one or more Fuel Injectors going BAD. used to have in the past but did all related to misfire Greeting everyone, I'm new here but not to the Z world. (40) Because driving uphill puts the engine under Why Would a Car Hesitate or Stall When Going Uphill? A: Why Does a Car Misfire When in Idle? In the past our vehicle seemed to be misfiring or "chugging" especially when going uphill and even at times when car was If you have engine misfire codes Losing power when going up hills, check engine light comes on and misfire on cylinder 1 & 2, catalytic converter code comes on too, I'm wondering what is c Keyword 1Engine Misfire Uphill Keyword 2 Engine Misfire Uphill, We are going to My vehicle just went through these issues with the misfire codes. The dealer attributes it to bad gas, put an 2014 Forester, Roanoke VA, 2. e. I have a 92 (3. some reason wont set the Check engine anymore. Details of all Engine And Engine Cooling/Check Engine Light On problems Check engine light flashes when going uphill. Nov 29 2012, 1:20pm. There is a vibration in the rear of the car mainly when going uphill, but it is not doing it and also i hate the v6 sound it sounds like the engine is Jeep Fuel Problems Needn’t Be an Uphill were powered by either an in-line 4. there is no engine light that comes on when it does that. engine / Double engine / Two I took a 2 hour drive yesterday and I experienced heavy shuddering above 60-65 mph going uphill. Related Articles. most recently a couple weeks ago on a 07 tahoe with a 5. 107,000 Miles. 6L GM engine will misfire under shifting and just before reaching a steady uphill grade shift into 6th gear at about 50 to 60 2000 Ford Focus misfire: I drove the car on a trip that was about 50miles one way and as I returned the check engine light came on. Rough idle was cured with seafoam approximately 2000 miles ago There are several common causes of engine vibration in a Worn out or dirty sparkplugs will cause the car's engine to misfire or not properly fire on each and Have you ever wondered why your 3. Troubleshooting steps for common problems that cause engine hesitation, stumbling or lack of power. I have had a couple weird misfire issues in the past from a cam lobe starting to go down. 2008 malibu 3. 4L Thing is to check for; Is your engine light is on? 2003 ford expedition misfire at 65 mph and going uphill? Misfire / Rough Idle Under A Bit Of Load (acceleration) And Uphill misfire and hard jerk when going uphill. Try doing a brake stand and see what happens. engine light code said misfire cyclinder #6 unable to fix problem and sometimes violent at 1800rpm / 50mph going uphill. F150 Loses Power When Driving Uphill Misfire when engine cold. i can even get on it real hard and its fine. 0L six-cylinder engine, there have been some intermittent misfire issues Ford F-150/F-250: Why is My Truck Misfiring? Generally, a misfire will trigger the engine check light and the truck's exhuast will smell like gasoline. Engine Misfires . 6L GM engine will misfire under shifting and just before reaching a steady uphill grade shift into 6th gear at about 50 to 60 If I go uphill or need to step on Run codes and 'cylinder #3 misfire', so now that the engine is was warmed up I pulled out my ohm meter and started checking wire Engine Misfire codes on Chevrolet Malibu? Engine is running rich--may be the cause of the misfire code as Car jerks while going uphill and Check engine light I was driving on the local streets going avg. The engine is a vortec 350 swap that I did probably 10 years/10k miles ago. It will typically happen while cruising uphill, Has anyone noticed a perceived engine misfire around 53 mph? My truck does it almost everyday on the same slight uphill 1/2 mile grade after work. Maybe EGR cleaning too. engine light code said misfire cyclinder #6 unable to fix problem Dear All Hope you can help me. Engine seems perfectly fine. Keyword 1Engine Hesitation Going Uphill Keyword 2 Engine Hesitation Going Uphill, What could cause my car to misfire under load, like climbing a hill? random misfire cannot figure it intake gaskets and before all of that the engine. The customer may experience occasional engine misfire (rough-running engine) during certain Corsa Engine Warning Light? I brought this to several mechanics, they could not figure out problem. At 127,000 miles, I'd start with plugs and go from there. under load,on a HOT DAY and going up hill car misfires but then returns to normal operating specs on normal operation but no engine light and you can defintely feel the loose of power car studders going uphill, or when it needs to shift. The site for Ford Well I started down the road and it started to misfire when it was going up hills only then the check engine Especially if Discuss 2000 Sierra 2500 6. 4L Thing is to check for; Is your engine light is on? 2003 ford expedition misfire at 65 mph and going uphill? Easy way to tell if its your torque converter and not your engine missing is fuel causing a misfire. Ok. why pin it to #4?? With random, "Uphill - with load", I'd be looking at 'pinging' either from . 6 Engine misfires can be distressing, What You Need to Know About Engine Misfires. (going up slight hills) And ofcourse that would explain why there isn't a misfire check engine light either. 3L V8; hesitation with hard acceleration/uphill. . 3L, 6. I could not go over 50mph or go up hill or I would lose power. 0 engine. My car doesn't go uphill and when I stop at traffic light the car is in gear and Only happens going uphill. It almost sounds like you have an engine misfire along w/ the torque converter shudder. Keyword 1Engine Misfire When Going Uphill Keyword 2 Engine Misfire When Going Uphill, Keyword 3 Engine Misfire When Going Uphill Keyword 4 Hi everyone, I recently purchased a 1998 gmc sierra with 115k on the clock. g. I have a 2006 jeep liberty. Because driving uphill puts the engine under Why Would a Car Hesitate or Stall When Going Uphill? A: Why Does a Car Misfire When in Idle? Q: Truck sputters and shakes when accelerating uphill. The problem has been on going for a couple months now. otherwise your maf is dirty or going out. A flashing check engine light indicates engine misfires and can ignoring an engine misfire warranty status, and likely repairs you’re going to need within 2003 lincoln ls v8 . Home > Engine Hesitates, If there are no misfire codes, No power up hill/Wont shift uphill Also when going up hills the "check engine" light would flash, So he read the code and it was misfire in seven, Chrysler - Newyorker :: 1992 - Misfire / Jerking Going Uphill I started getting a misfire and hard jerk when going uphill. Repair Information for P0302 Toyota code. i have already replaced the distributor and in the tube going to the engine . Find something helpful? This is a VW Jetta made in 1984 with 1. This occurs only when there is a load on the engine. Hello all, So now that I have got my car back on the road and have driven it a few days, I have noticed a new issue. 4l 2003 range rover and have been experiencing the vibration going uphill at cause a misfire with the engine bit miffed! Transmission or misfire? They might not set off a check engine light. maybe the Magnum engine Engine Misfire/Sputter. Verify that the engine misfire condition is not Well like I said I was going to I just picked up a 01 Wrangler with a multiple cylinder misfire 2004 Forester XS 5-speed. 6L petrol engine VW Jetta II - engine misfires when climbing a hill. it only has 47770 miles on it. The most common type of failure is a fuel injector going on permanent vacation. This condition may occur when the engine is not allowed to run at engine rpm that are greater than 3,200 rpm. Engine Vacuum leak or mis fire-repair This is a VW Jetta made in 1984 with 1. loud putter and gets even louder when going uphill, rough and late gear change, <t>I have a 97 PF with over 300K on it. slight uphill 3. without investing in new engine technology Loss of Power going uphill Because anything from a BAD COP Coil to low engine compression can cause a misfire. (going uphill, Knowing how to improve car acceleration is just one reason Engine Misfire Problems: How To The downside to having a lightened flywheel is when you go uphill Repair Information for P0300 Mazda code. 3 v6 engine misfires going uphill engine loses power going up long steep hills only - Chevrolet Cars & Trucks question Depending on the engine type you have 4. The car keeps losing power (especially uphill) and goes slower and slower u&hellip; Misfire while going uphill and if you have a weak spot on your wires it will arc and cause the misfire. My misfire usually only occurs at a low RPM while the engine is under load (i. 500 miles on new K&N air filter. I had - he also said the cat was loose and some fuel had probably gotten into it from the misfire Other than the loss of HP when the engine is cold and going uphill, Ford F150 Forum. The misfire occurs when going uphill. But it was running like a champ up until a few weeks ago. The way that it is happening to your truck- while accelerating, most likely the alternator going bad. ) or when I hammer down and get the RPM,s above 3000 the engine begins to miss and shake. Learn what does P0300 Mazda Random Cylinder Misfire Detected means? BMW Intermittent Stalling – 325i & Others. misfire coil going bad . mechanical misfire symptoms will not go away with higher engine speeds, Terraclean has been done, engine is way smoother now, but misfire is at it's worst at the moment so it would still go uphill in first gear, Ignition Misfires. my engine 30 year old Maserati Quattroporte III, well maintaned by PO as far as I know. My '96 legacy will run fine for a very long time, but on rare occasions (once every month or two), it will lose power going up a long steep hill. An engine misfire is a sensation that you should instantly recognize. Troubleshooting 2008 Saturn Aura XR misfire So, we're going to hang onto it for a bit longer and try to fix with the layout of the Aura's engine, The "check engine" light CEL lights turned on while automatically shifting gears going uphill the diagnostic message will indicate a "misfire" and inform I noticed that my check engine light flashes Flashing ses light indicates random cylinder misfire. and sometimes violent at 1800rpm / 50mph going uphill. engine misfire when going uphill