HAVE PO300 CODE REPLACED PLUGSWIRESFUEL PUMP ...

1997 Chevrolet Truck

Tiny

bobkz1000

October, 30, 2012 AT 6:53 PM

Have po300 code replaced plugs, wires, fuel pump, fuel filter inector spyder, fuel sending unit & wires in tank intake plainom gasegtt run all kides of fuel cleaner in it clear codes start it let it run less then a min. Po300 code comes right back

FOUND 160 RELATED QUESTIONS

2 Answers

Tiny

hmac300

October, 30, 2012 AT 7:05 PM

Check fuel pressure first, then check for vacuum leak at manifold. If both of those good then ccheck compression 60-66 psi for anything other than a 7.4l 56-62 for 7.4L

Tiny

bobkz1000

October, 30, 2012 AT 7:10 PM

Thanks will get right on it will let you know

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