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rpmdiag, Tech and Instructor
Category: Lexus
Satisfied Customers: 6701
Experience:  Since 1975
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Will the idle air control valve cause a car not to start

Customer Question

will the idle air control valve cause a car not to start
Submitted: 7 years ago.
Category: Lexus
Expert:  rpmdiag replied 7 years ago.



It sure will, if it's stuck wide open and is a huge vacuum leak. But also be sure to check for a strong blue spark at the plugs while cranking and fuel pressure and volume. Try a little staring fluid and see what happens.


Thanks in advance for your ACCEPT and POSITIVE feedback,



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