how to adjust idle on 1993 E150
Jul 25, 2011 at 8:22 PM
idle adjustment
1993 FORD E-SERIES VAN
CAPTKEVIN
- MEMBER
- 2 POSTS
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RASMATAZ
- ✓ASE Certified Mechanic
- 75,992 POSTS
Before you adjust idle try cleaning the idle air control valve and see what happens-
Jul 25, 2011 at 8:35 PM
WRENCHTECH
- ✓ASE Certified Mechanic
- 20,761 POSTS
The idle is not adjustable anyway. Let em elaborate on Ras's advice.
First eliminate all vacuum or air leaks in the system. You may have a bad IAC ( idle air control) but try 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.
First eliminate all vacuum or air leaks in the system. You may have a bad IAC ( idle air control) but try 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.
Jul 25, 2011 at 8:42 PM
Thanks, The IAC has been cleaned. The Idle is just a little low after the cleaning & it is running a little rich as before the cleaning.
Jul 25, 2011 at 9:39 PM
WRENCHTECH
- ✓ASE Certified Mechanic
- 20,761 POSTS
You should also be cleaning the throttle body and throttle plate. The computer controls both the fuel mixture and the idle speed.
Jul 25, 2011 at 9:43 PM
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