1990 Ford F-150 OXYGEN SENSOR

Tiny
MPW9000
  • MEMBER
  • 1990 FORD F-150
  • V8
  • 2WD
  • AUTOMATIC
  • 117,000 MILES
MY TRUCKS ENGINE LITE COMES ON AND THE IDEL RUNS UP AND DOWN ALL THE TIME WHEN IT IS AT IDEL. WHEN I HIT THE GAS TO GO IT RUNS OK.
Sunday, January 13th, 2008 AT 1:34 AM

1 Reply

Tiny
BLACKOP555
  • MECHANIC
  • 10,386 POSTS
Doesnt sound like a o2 sensor to me! Sounds like a dirty throttle body, egr valve, pcv valve, and also a sticking or non functioning IAC module.
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Sunday, January 13th, 2008 AT 8:21 AM

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