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1997 Ford F-150 rough idle

Tiny
BIG AL 27
  • MEMBER
  • 1997 FORD F-150
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 96,000 MILES
I get a rough idle on my pickup intermittantly. It does not affect acceleration at all. If I idle long enough it will start idling rough.I have checked the egr valve. Cleaned the maff sensor and also the throttle body. There are no apparent vacuum leaks. Hope you can sign AL.
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Monday, December 7th, 2009 AT 8:34 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,740 POSTS
Al:
I will assume there is no check engine light coming on. Have you checked to make sure there are no intake manifold gaskets leaking? Also, make sure the crank sensor is clean and tight. Finally, when was the vehicle last tuned up and have you check the fuel filter and fuel pump pressure?

Let me know.
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Monday, December 7th, 2009 AT 10:29 AM

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