"Idle system control malfunction", which means, there is a problem with the volume of air going into your engine, via the IAC valve., If your car, when you start it, isn't accelerated up to aprox.,1000 rpm, and then decelerates in a minute or two, it´s likely the IAC valve is done for., Or if the car stays in high rpm, or dies out, then, most definetly its the IAC valve.
next to the tps
throttle body
Disconnect IAC valve- ACC valve sub harness connector.
you might check your IAC valve (idle air control valve) check your TPS
The IAC valve is mounted on the upper intake plenum (manifold)
The 1999 Nissan Pathfinder with the 3.3L V6 has the idle air control (IAC) valve directly below the throttle body towards the front of the vehicle. The IAC is a black cylinder secured with two screws and has a snap on wiring harness attached.
Code P0505 on a 2001 Nissan Xterra indicates an issue with the Idle Air Control (IAC) system. To fix it, first inspect and clean the IAC valve and its passages, as carbon buildup can cause malfunction. If cleaning doesn't resolve the issue, check the electrical connections and wiring to the IAC for any damage or corrosion. If those components are functioning correctly, consider replacing the IAC valve.
To replace the idle air control valve (IAC) in a 1995 Buick Riviera, first, disconnect the negative battery cable to avoid electrical issues. Locate the IAC valve on the throttle body, remove the electrical connector, and unscrew the mounting screws. Carefully pull out the old valve, clean the mounting surface, and install the new IAC valve by reversing the removal steps. Finally, reconnect the battery and start the engine to ensure proper operation.
The Idle Air Control (IAC) valve on a 1995 Infiniti J30 is typically located on the throttle body. To access it, you may need to remove the air intake duct and other components that obstruct the view. The IAC valve is usually mounted on the side or rear of the throttle body and has an electrical connector and vacuum lines attached to it. Always consult the vehicle's service manual for specific details and diagrams.
where is the iac valve for 2003 expedtion Eddie Bauer
where is the iac valve on a 99 honda civic lx?