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2003 Isuzu Other Repair Question


Topics covered: Compression, Engine, Fuel line.
Mileage: No information provided.

Asked on August 9, 2011

Lost

2003 isuzu box truck code po300 changed fuel pump mass air flow plugs coils are good
Avatar Asked by snapman

Answer

Replied on August 9, 2011

P0300 is random misfiring and it could be due to clogged fuel lines/filter, engine compression or fuel pressure other than those you have checked/replaced.

Tiny Answered by KHLow2008 (expert)
39,905 answers provided