• Tiny
  • sheenist
  • Ford F-150

I have a 1990 f150. It developed a rough idle on cold start up which progressed to rough idle and stalling all the time. It will only stay running when I keep on the gas.I was told that it could be a battery problem so I replaced it. Before I replaced the battery it ran ok at highway speeds, now after the battery replacement it sputters at highway speeds. Any ideas?

Friday, May 26th, 2006 AT 5:04 PM

1 Answer

  • Tiny
  • losone
  • Member

It is probably the idle air controller whcih is the silver thing on top of the intake plenum. Remove and clean it. It is a little better but not right buy a new one Good Luck

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Friday, May 26th, 2006 AT 6:01 PM

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