CAR BEGAN TO IDLE ROUGH AFTER WIFE FUELED UP

  • Tiny
  • Sort14
  • 2003 GMC ENVOY
  • 162,000 MILES

Car began to idle rough after wife fueled up. Thought it was a clogged filter so changed fuel filter, plugs and air filter. Car still idles rough. Changed the map sensor, have cleaned the throttle body, but still running rough. Where should I look next?

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Wednesday, March 20th, 2013 AT 11:43 PM

1 Reply

  • Tiny
  • Blaze45
  • EXPERT
  • 384 POSTS

See if there is a check engine light, if not, check for leaks on the intake manifold/intake arm. A coil pack/ spark issue could be the issue.

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Friday, March 29th, 2013 AT 3:29 AM

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