1998 Chevy Silverado service engine soon light

Tiny
HOTSHIELDS
  • MEMBER
  • 1998 CHEVROLET SILVERADO
  • V8
  • 2WD
  • AUTOMATIC
  • 107,000 MILES
Service engine soon. Comes on under load and motor shutters under heavy load. Then light comes on. Have replaced plugs, wires Dist cap and rotor. No luck
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Tuesday, September 9th, 2008 AT 5:01 PM

2 Replies

Tiny
RHALL77
  • MEMBER
May be a possible injector plugged up. Do you know what code you have
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Wednesday, September 10th, 2008 AT 10:43 AM
Tiny
HOTSHIELDS
  • MEMBER
Hey thanks for the reply. Yea I got the code read at auto zone. Although it wasn't much help. It showed PO300 which means Random/multiple Cylinder Misfire Detected. I thought maybe coil but, then again fuel pressure? Could mean so many things. I was going to call the dealer and see if his costly scanner could be alittle bit more specific.
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Wednesday, September 10th, 2008 AT 12:35 PM

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