Question About P0300 Random Misfire 2001 Chevy Prizm


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My 97 Z24 Backfires Like Crazy

I got a code for p0300 random misfire. Could it be the Ignition Coils or Coil cover(what gm part dealer calls the battleship)? i have new plugs and the coil adapters. Also i was wondering could a malfunctioning knock sensor cause a misfire ... Read more


I have a 2000 Honda Prelude that keeps throwing trouble codes. Code for P0300 random multiple misfire and P1399 Random cylinder misfire. I just replaced the whole ignition system with msd parts: NGK iridium plugs, msd 8.5 mm super conductor wires, msd cap and rotor, msd ... Read more

99 Civic Si, Cylinder Misfire, Help Please

Ok.. It's throwing codes p0300-p0304 and p1399, in other words, its a random cylinder misfire on all cylinders. I have changed out the distributor, spark plugs, wires, pcv valve, fuel filter, o2 sensor, had valves re-adjusted, new valve cover gasket, Compression test was done and had ... Read more

2001 Chevy Prizm No Gauge Lights Or Running/tail Lights…the Fuse Is New And The Bulbs Are Good, Any Ideas

2001 chevy prizm no gauge lights or running/tail lights...the fuse is new and the bulbs are good, any ideas? ... Read more

Can A Knock Sensor Cause A Misfire 03 Audi A4 1.8t

I have intermittent misfire, coils,spark plugs, injectors all have been checked. Brought it to couple dealers and nobody cant figure it out. When I drive there is no misfire, when I come up to a stop sign then it starts misfiring. Scanning with vag-com does not ... Read more

How To Repair Diagnostic Engine Misfire And O2 Sensor Fail

My 2001 Chevy Silverado has it's check engine light on reporting a cylinder 8 misfire (twice) and knock sensor 2 fail... I am pretty new to auto repairs and not very familiar with anything other than regular maintenance. What steps should I take to fix the ... Read more

My ’99 VW Beetle Has A Check Engine Light On And 3 Cylinder Misfire Codes What’s Wrong With It

Hi! I have a 1999 VW Beetle with a Check Engine Light on. I had it hooked up to the computer and got back three codes: P0300 Random/multiple cylinder misfire detected P0302 Cylinder no. 2 misfire detected P0303 Cylinder no. 3 misfire detected About a month ago my car was ... Read more