1997 Chevrolet Truck Po300 Code Replaced Plugs Wires Fuel Pump Fuel Filter

1997 CHEVROLET TRUCK
205,000 MILES
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BOBKZ1000
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  • 2 POSTS
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
Oct 30, 2012 at 6:53 PM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
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
Oct 30, 2012 at 7:05 PM
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BOBKZ1000
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  • 2 POSTS
thanks will get right on it will let you know
Oct 30, 2012 at 7:10 PM
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