5.7 ENGINE

1999 Chevrolet Tahoe

Tiny

asku

July, 7, 2011 AT 9:28 PM

Have new plugs wires cap & rotor, but scaner shows misfire on 2 4 6 & 8, most on 4 & 6, code is PO300. This is a 1999 Chevrolet Tahoe with a 5.7 engine, can you help?
Mark

FOUND 2123 RELATED QUESTIONS

Mis Fire -

17 ANSWERS
11 IMAGES

1 Answer

Tiny

rasmataz

July, 7, 2011 AT 9:35 PM

Check compression and injector for no.4/6-P0300 is normally caused by vacuum leaks and contaminated fuel

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