1989 GMC C1500

1989 GMC C1500
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MELISSA MCCARTNEY
  • MEMBER
  • 1 POST
Engine Performance problem
1989 GMC C1500 V8 Two Wheel Drive Automatic

engine idle low and run rough and hard to crank after it get hot and the computer codes say running lean and i have replaced map sensor throttle paction sensor egr value and egr relay.when going down the road it jerks ever once in a while .
Aug 14, 2010 at 12:15 PM
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BILLYMAC
  • ✓Experienced Mechanic
  • 2,204 POSTS
sounds like a plug wire or plug possibly time for a good tune up
Aug 14, 2010 at 1:37 PM
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