Tag Archives: Misfire

Engine misfires cause a check engine light and code P0300 and others. Read questions and answers on what to check and how to fix it. Learn common causes for this problem.

Olds Aurora EVAP smoke test

I have a 2003 Oldsmobile Aurora Final 500. Replaced the manifold gasket and Catalytic Converter over the past 4 weeks, and was planning to replace a bad coil pack this…

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2002 Chevy Trailblazer RPM’s jump up and down

Hi i have a 2002 Trailblazer and my engine light is on. i just had to replace a purge valve, cleaned the throttle body, and replaced the 6th cylinder. While…

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Ford Taurus 2001 runs rough and skips

Hello. I have a 2001 ford Taurus V6 ohc engine and when I start it up it skips and runs rough for awhile and will eventually clear up and run…

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Ford Expedition Vibration When Accelerating

2006 Ford Expedition. My Ford has 113K miles on it. The truck, when getting up to higher speeds runs and shifts perfect.  We changed the ignition coils and spark plugs, transmission fluid,…

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Pontiac Grand Prix Catalytic Converter And ABS Codes

Check engine light codes problem with my 2002 Pontiac Grand Prix GT. 3.8L non supercharged. ABS, Track Off and Service engine soon. GM Computer codes  C0045, C0046, C0245, P0303, P0420, P0172.…

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2000 Dodge Stratus Jolting At Low Speeds

Hello! I own a 2000 Dodge Stratus. Last week I noticed that when I accelerated and decelerated at low speeds my car would ”jolt”. The feeling reminds me of when…

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2004 Pontiac Sunfire Misfire On Cylinder Four

I have a 2004 Pontiac Sunfire, and its got a Valve 4 misfire. I have changed the spark plugs, plug wires, coil pack and distributor. What else can I do. I…

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2001 Pontiac Grand Prix Chugs And Hesitates

Hello. I have a 2001 Pontiac Grand Prix. When i press on the gas pedal, the car sort of chugs. I always use good gas. This started happening more when…

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