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Low idle and stalling 93 F-150

Tiny
ROBERTHALE72
  • MEMBER
  • 1993 FORD F-150
93 f-150 XLT 4WD 5.8
Approx 153,000 miles
my truck starts but wont stay idling cold and sometimes once warmed up it will idle, but at lower rpm. It will drive good down the road but when coming to a stop she'll die. I've replaced sparkplugs, wires, cap and rotar. Also have tried both tanks with fuel cleaner with new fuel filter. Thanks for the help.
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Sunday, July 15th, 2007 AT 6:13 PM

1 Reply

Tiny
INDYUKE
  • MECHANIC
  • 416 POSTS
Check the operation of the IAC valve. It's the tube looking thing on the throttle body. From what you describe, that seems to be the most likely thing to check for first off.

It could be gummed up by carbon deposits or failing to respond to the duty cycle commands from the PCM.
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Sunday, July 15th, 2007 AT 7:43 PM

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