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89 Toyota 3.0

Tiny
KCASON78
  • MEMBER
  • 1989 TOYOTA PICKUP
  • 6 CYL
  • 4WD
  • MANUAL
Just rebuilt 89 toyota 3.0 engine runs good but u have to feather acceleration and when u let of gas it doesnt idle it dies
Saturday, April 2nd, 2011 AT 9:33 PM

2 Replies

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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Saturday, April 2nd, 2011 AT 10:34 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
To add on -check and test the airflow meter and EGR/PCV valves to include the TPS sensor
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Sunday, April 3rd, 2011 AT 8:24 AM

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