1993 Ford F250 rpm hi

1993 FORD F-250
165,000 MILES • 6 CYL • 2WD • AUTOMATIC
Avatar
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 9:25 AM
Advertisement
Avatar
RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
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 10:32 AM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.