where is the iac valve for 2003 expedtion Eddie Bauer
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The IAC is located on the throttle body.
The location of the IAC valve depends on the kind of fuel injection system you have. On the Vortec V6 (93+) it's right on top of the air intake in front of the throttle valve. If you follow the air intake tube to the motor, the IAC valve will be in the intake manifold right where the air tube meets the manifold. The wiring for the IAC valve comes around behind the throttle cable bracket and plugs into the IAC valve.
open the hood and look at the throttle body it will be on the right side right after the air intake clamp.
The IAC is located on the throttle body. Simply unplug the dirty IAC and clean or replace the IAC.
Depending on the year (01 and up) some don't have an IAC. It's built into the throttle body design to regulate the idle. If you have idle problems try cleaning the T body good.
The 1992 Oldsmobile IAC valve can be found attached to the firewall in the engine compartment. The valve will be on the passenger side of the firewall.
IAC sits on the top of the motor.
The IAC valve is mounted on the upper intake plenum (manifold)
were is the iac locate on a 1999 mercury mystique