WHAT IS A PO300 OR PO301 RANDOM MISFIRE CODE?

2001 Chevrolet Silverado

Tiny

Anonymous

January, 4, 2013 AT 5:27 PM

What is a PO300 or PO301 random misfire code?

1 Answer

Tiny

JDL

January, 4, 2013 AT 5:52 PM

What is engine litre size? How long since overall tune-up? Check for misfire on cylinder # 1. Visually check for spark at the spark plug, engine cranking. If you have good spark, use a gage and check fuel pressure. You may have to check fuel injector, also. Check cylinder compression.

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