A condition where one or more engine cylinders experiences lack of combustion or mistimed combustion through detonation

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2004 Dakota problems

I have a 2004 Dodge Dakota 4.7. My truck started to shake going down the road. I heard a pop unsure if it was metal slapping or a backfire. Had it towed home and hooked it up to a computer. The codes ...
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1answer
52 views

Can a crankcase venthilator hose being off cause misfiring?

I was taking a look at a 2004 Ford Escape with 100k miles yesterday because it was infrequently stuttering, and throwing a "cylinder 5 misfiring" error code that would come on and go away. I figured ...
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0answers
57 views

03 chevy impala- I have a bad misfire

When I push on the gas it hesitates to go. The check engine light starts flashing but once it gets rolling its gone. I change the spark plugs, put in a gas treatment, shot some B-12 in it and ...
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2answers
158 views

A/C Temporarily Cures Low, Hiccupping Idle

I have a 99 Nissan Almera 1.6L MTX ( nearly identical to the Sentra sold in the US ) which has developed a problem with low idle, occasional stalling at stop lights, what seems to be misfires and ...
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3answers
65 views

2005 Dodge Caravan - Erratic Misfire

The engine was misfiring for quite a while. At some point, the battery went dead due to a bad alternator and all the electrical systems went nuts. I replaced the alternator & battery. At some ...
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1answer
68 views

Misfire on 2000 Subaru 2.5 diagnosis problem

I've got this 2000 Subaru Legacy, manual transmission, with a 2.5L 4cyl. I've been getting occasional codes for bank 1 system too lean for a couple years now, but haven't had many issues with it and ...
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2answers
352 views

Will Driving 100 Miles With a Misfire Damage My Car?

Background: I have a 2002 Dodge Dakota Quad Cab slt with 4.7L Magnum V8. My check engine light came on when I was at work. I then drove 20 miles home to my house, pulled out my scan tool and ...
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2answers
163 views

Why is my Chevy 2008 Cobalt not acting as though it's getting enough fuel and reading “cylinder 4 misfire?”

I have a Chevrolet 2008 Cobalt (LS) that I've had for about 7 years. No sooner do I have this thing payed off, when it starts giving me the following problem (I've never had any trouble with it ...
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70 views

2009 Kia Rio - Potential Misfiring?

I have a 2009 Kia Rio with ~75,000 miles. After I first start the car and accelerate away from where it was parked (especially if I accelerate hard), the car will repeatedly make a quick sound that ...
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1answer
223 views

VW Golf IV Possible Engine Misfire

I guess I better start with a few details on the car in question: VW Golf IV 20 valve V5 petrol engine (2.3L) ~80k miles on the clock Now the problem, it feels to me as if the car is down on ...
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2answers
193 views

2001 Lexus ES 300 bank 1 misfire

2001 Lexus ES 300 (3.0L, automatic) The check engine light is on and I scanned it: cylinders 1, 3, and 5 (bank 1) are misfiring. I’m basically getting these 3 symptoms when driving: 1) Cylinders ...
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1answer
43 views

Are there varying degrees of engine misfire?

My fault codes indicate engine misfires on 2 (of 6) cylinders but I don't hear or feel any problems at all in the engine or exhaust. When I've observed engine misfires before, it was pretty obvious. ...
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1answer
218 views

driving my truck when it started shaking and making strange sound

was driving my 1988 ford ranger 2.1L 4 cylinder when it started putt-putting along at slower speeds, even shaking when going slow, also making almost i want to say a scraping noise, like if something ...
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2answers
10k views

Random Cylinder Misfire in Cylinders 2, 5, 6, and 8; P0300; Chevy Silverado 1500 4WD

Yesterday on the way to work my 2000 Chevrolet Silverado 1500 4WD with the 4.8L V8 Vortec engine started flashing a check engine light. I read it and it was a P0300 Random/Multiple Misfire. I had ...
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1answer
3k views

Car shaking on startup

My car has been shaking on start-up. The check-engine light has been on/off periodically. When I originally took it in, my mechanic replaced a sensor (and a whole bunch of other stuff not related to ...
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1answer
583 views

Random Misfiring - Tried All Basic Fixes - Tech Says Engine Ground

Starting about a week or two ago, my 3.4L engine (2004 Chevy Monte Carlo LS) has thrown a p0300 code, random misfire. Here are the things I've done: Changed spark plugs and wires Knocked fuel ...
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2answers
496 views

Engine missfires when accellerating first gear

Vehicle: Chevrolet Blazer 2000 V6 4.3L Engine 4WD 234,000 Miles Symptoms: When accelerating, upon reaching about 1500 RPM through about 2250 RPM the engine misfires in first gear (occasionally 2nd ...
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2answers
148 views

Chevy S-10 blazer misfire

I have a 1997 Chevy s-10 blazer, 2 door LS, 4wd v-6, vortec, 4L60 auto trans, 216,000 miles, not a oil burner or smoker, Whenever I go to climb a steep grade it cannot maintain a steady speed and ...
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5answers
516 views

How do I fix my XF125GY 4-stroke engine misfires?

I own a XF125GY Supermoto Pioneer 4-stroke single cylinder. I put too much oil in it so I did an oil change and put in a new spark plug then I noticed that oil had got into my air filter and that the ...
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2answers
1k views

Are ignition coils easy to replace on a BMW 318i 2.0L 2007 msport model?

They'll cost me £21.06 each. I watched a video on YouTube that showed a guy clipping of the engine cover and pulling out and plugging in the coils. I'm not 100% sure what BMW model this was but it ...
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1answer
1k views

How can I identify which cylinder is responsible for a petrol engine misfire?

My petrol engine has developed a persistent misfire. How can I figure out which cylinder is the culprit in order to hone in on the root cause?
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Troubleshooting a Misfire

Car: 2005 Dodge Grand Caravan In the past few days I started to feel the engine stumble. Yesterday the engine light came on and the error was a that cylinder 4 was a misfire (there was also a ...
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3answers
102 views

Cylinder Misfire

I have a 2004 Grand Prix v6. I got my coils checked and number 2 fire was real weak while the others are strong. Could that be why it's showing a misfire on cylinder one? I took it to AutoZone and ...
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1answer
254 views

Ibiza Mk2 MOT emissions test failure

I've had my SEAT Ibiza Mk2 for about three years and it's just failed its MOT on the emissions test - there's fuel in the exhaust on idle, and only on idle. It's in the garage at the moment and ...
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1answer
623 views

Shift Solenoid Value causing misfires?

I have a 2003 Acura TL-S. I started it today (seemed fine yesterday) and it ran really rough. I also hand a weird burning smell. I attached my OBD2 reader, and got the following data: P0300 - ...
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1answer
6k views

How does low oil level cause misfires or VTEC malfunctions?

So a few days ago my 2003 Honda Civic EX started misfiring while accelerating, especially with the A/C turned on, making popping noises, and then yesterday got a P1259 "VTEC system malfunction code". ...