Guide : : Random misfiring. Check engine light is on. Running real rough. Bad PCM?

Random misfiring. Check engine light is on. Running real rough. Bad PCM?

The check engine light is either on or blinking the engine is running real rough different lights on the dash go on and off and very loud when driving. Wants to stall at idle, shakes badly. Changed out the spark plugs and had absolutely no effect. My car has 156000 miles. My car has an automatic transmission.


Research, Knowledge and Information :


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2001 Chevy S-10 Engine Running Rough and Shaking


It maybe as simple as bad fuel. Is the check engine light on or flashing. ... Are you certain its a random misfire. ... What I Do Fix Engine Running Rough And Shaking.
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P0300 Diagnostic Trouble Code Discussion for Dec 2009 on iATN


P0300 Diagnostic Trouble Code Discussion ... start dyes and runs real bad for the ... Customer cals with "serious check engine light and car running rough ...
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