2000 cavalier with p0300 CEL. - Maintenance and Repair Forum

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2000 cavalier with p0300 CEL.
Thursday, August 20, 2009 10:15 AM
so my code is p0300 which mean mutiple misfires. car funs fine for about 5 min. Then it all starts to happen spudders and when i floor it it trys but the spudder wont let it alleclerate right. So im tired of it and wanna fix it. Where should i start this week im going to relace the wires and plugs. Is there anything else i should replace. Fuel filter? Let me know its a 2000 with 117000 miles.

Re: 2000 cavalier with p0300 CEL.
Thursday, August 20, 2009 1:20 PM
well for one fill out your profile...... #2 is anything done to the car ??? mine only started to do it after built the motor and installed aftermarket cams







RIP JESSE GERARD.....Youll always be in my thoughts and prayers...



Re: 2000 cavalier with p0300 CEL.
Saturday, August 22, 2009 7:33 AM
Does the engine idle high when you first start it up? I highly doubt it has anything to do with the spark plugs. I have yet to see spark plugs run fine then all of a sudden miss. More than likely you have a problem with your air metering sensors not the ignition components.
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