1993 Ford F250 rpm hi

1993 FORD F-250
165,000 MILES • 6 CYL • 2WD • AUTOMATIC
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LOUIS C.JUNIOR
  • MEMBER
  • 1 POST
Hi, when I turn my truck on neutal or park the engine start to run too fast.
how can I lower it?
Is timming problem or where on carburator I can adjust it?
Thanks
Louis JR

Ps. I do not understand this: DONATE,
but if I have to pay for this, email me back,please
the amount to be paied
Mar 3, 2010 at 1:25 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,992 POSTS
If its an EFI fuel system clean out the idle air control valve if not adjust choke, fast idle cam and idle speed
Mar 3, 2010 at 2:32 AM
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