1986 Ford Ranger 2.9 stalls out when warm.

Tiny
MHC929
  • MEMBER
  • 1986 FORD RANGER
  • 4WD
  • AUTOMATIC
  • 150,000 MILES
1986 Ford Ranger 2.9 stalls out when warm. Have replaced air filter and thermastat.
Thursday, July 7th, 2011 AT 9:51 PM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
You may have a bad IAC ( idle air control) but try eliminating any vacuum leaks and cleaning the throttle body first. Remove the intake snorkel, have someone hold the throttle wide open for you and scrub the back side of the throttle plate and surrounding bore with an old tooth brush and some carb cleaner. Be sure to spray some into the small holes next to the throttle plate. That should help stabilize the idle. If it still has a problem, replace the IAC.
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Thursday, July 7th, 2011 AT 10:28 PM

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