2002 Chevrolet Avalanche service engine soon light on

Tiny
ANTHONY02
  • MEMBER
  • 2002 CHEVROLET AVALANCHE
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 166,000 MILES
My 2002 chevy avalanche is giving me tow codes po200 and po300 please help new spark plugs new knock sencor (2)
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Sunday, March 2nd, 2014 AT 12:29 AM

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Tiny
KNOWLEDGE IS POWER
  • EXPERT
The p0200 is for the injector control circuit nd the p0300 is an engine misfire detected. The first has caused the second. You've probably got a faulty injector control module/driver. Id definitely take it to have a proper diagnosis before spending any more money on parts you don't need
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Sunday, March 2nd, 2014 AT 3:06 AM

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