IS IT THE ERG OR IAC VALVE THAT MAKE THE RPMS ...

2003 Honda CRV

Tiny

Anonymous

November, 13, 2012 AT 2:00 PM

Is it the ERG or IAC valve that make the RPM's idle very high repeatedly like its stuck?

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2 Answers

Tiny

hmac300

November, 13, 2012 AT 2:02 PM

Try cleaning iac and throttle plate with choke cleaner on both sides, they get gummy from oil.

Tiny

Wrenchtech

November, 13, 2012 AT 2:04 PM

It could be either of them or numerous other reasons also.
You didn't mention any check engine light but if there is, get the codes read before doing anything.

If not.

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.

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