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1992 Toyota Corolla
September, 28, 2009 AT 10:23 AM
Engine Performance problem
1992 Toyota Corolla 4 cyl Front Wheel Drive Manual
hi can you tell me the role of sensor assy vacuum in obd 1 vehicle. My car idle is high. Where can it have vacuum leak? Or any solution to lower the idle.
FOUND 14749 RELATED QUESTIONS
Why Is My 's Engine Bogging Down At Mid
Lack Of Power
September, 29, 2009 AT 9:25 AM
Check all the vacuum lines for cracks.
Look at the injector seals, make sure they are seated properly.
Check the intake manifold gasket.
Car is equipped with an idle air control valve, it is mechanical, located under the throttle body. I have to say that these rarely go bad.
There is an idle adjustment screw but, DO NOT ADJUST it until you find the vacuum leak.
I just had the same problem on a 91 Corolla, turned out to be the intake manifold gasket.
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