Where do you find the idle air control valve on a 94 s10
Code p0507 2001 chevy s10 replace upper intake, iac, tps still have problem
5 to 10 minutes.
Possibly the IAC ( Idle Air Control) vavle on the throttle body, or egr vavle stuck open..........would check or replace IAC first, usually not expensive.
Idle Air Control Valve
YOUR IAC ON A 95 S10 BLAZER 4.3L TBI VIN "W" WILL BE LOCATED ON YOUR RIGHT SIDE OF THE PLENUM. IT IS THE SENSOR THAT KINDA SITS UP HIGH. YOU'LL KNOW YOU GOT THE RIGHT ONE ONCE IT'S OFF. THE SENSOR LOOKS LIKE A CONE SHAPED SPRING. 2 TORQUE BOLTS AND IT'S REMOVED.
The IAC (Idle Air Control) is located in the base of the throttle body.
The idle is controlled by the ecm, no adjustment needed. If you are having idle problems look for a vacuum leak or possibly a faulty idle air control valve (IAC).
Unplug the wiring harness from the iac. Using a adjustable or a 1 1/4" wrench remove the iac.
the iac is controlled by the computer and adjusts the air flow needed by the engine, hence idle air control. if the iac is defective and does not seat properly, it will cause a high idle
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To adjust the idle on a 1995 Chevrolet S10 with a 2.2 liter engine, locate the Idle Air Control (IAC) valve, which is usually located on or near the throttle body. Use a flathead screwdriver to turn the adjustment screw on the IAC valve to increase or decrease the idle speed. Make small adjustments and test the idle speed by running the engine to ensure it is at the desired RPM.
The IAC is located on the passenger side of the throttle body toward the rear. It screws into the housing using a 1" wrench.