...I think its the IAC valve but I dont know were it is. this is your iac valve issue. it is located on the back side of youe intake manifold. it will have two rubber hoses usually coming from
...always up and down Usually this is a vacuum leak. It also could be low on coolant, so the IAC (idle air control) valve isn't getting coolant to warm it up. The IAC valve itself could be the
IAC valve runs only when your foot is off the gas pedal. Mainly to keep the engine from stalling and keeping it at a safe RPM. If it is running bad under 2000RPM, more than likely its the IAC valve or
...engine running at 1500 rpms.If the valve is dirty it will clear up. Get a scancode to check the sensors. it would be a good idea even before cleaning the IAC valve.They do it free at autoparts
...and has a p0505 iac code and when Itry to keep my speed steady it kicks.Should I change my iac?, my map sensor?or my entire intake(used)?thx idle control valve or /and check the engine breather ...
...or n My 1998 honda civic ex idles up and down only i drive, reverse,s gear and low but not in park or N. could it be the iac valve. iac are are common problem but verify there are no vacuum leaks ...
where is the IAC valve in the 1990 civic lx on the side of the throttle valve housing where the air goes into the engine here is a picture of that valve.
...Control (ISC) System - Malfunction Possible Cause: -Wiring harness. -Idle speed control (ISC) actuator/Idle air control valve (IAC) valve. -Throttle valve tight/sticking. -Engine control module
IAC (Idle Air Control) valve which is connected to the intake manifold. If this gets build up of carbon and starts to make the valves stick in that IAC it could cause some irragular idle problems like
how do you clean an iac valve? How To Clean Idle Air Control Valve And Throttle Body On 94 97 Honda... try this video
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