Questions & Answers for: GMC iac sensor Cars & Trucks

...luck at all... I took it to the dealer they reset the crank sensor iac and tps flashed the ecm and still have no clue even after trouble shooting. Local mechanics stumped. Help.... massair frow ...

...IAC sensor (4). Remove the manifold absolute pressure (MAP) sensor electrical connector from the MAP sensor. Remove the water pump belt cover. Remove the TP sensor retaining screws electrical ...

...drive at idle. It acts like it is running rich. Injectors and oxygen sensor are new. Check the IAC valve ( idle air control ) maybe dirty and sticking. Clean with intake cleaner or replace IAC

...on. see if you can pull the codes for vehicle ,,but it sounds like a idle air control valve,iac,,,or sometimes trottle position sensor,,,most the time you can take iac off clean part and trottle ...

...sensor and IAC sensor are usually located at the side of the throttle body



Fig. Fig. 4: Idle Air Control (IAC) valve wiring and terminal identification
REMOVAL & ...

...IAC sensor (4). Remove the manifold absolute pressure (MAP) sensor electrical connector from the MAP sensor. Remove the water pump belt cover. Remove the TP sensor retaining screws electrical ...

...sensor on my truck.but i still cannot get the vehicle to idle correctly.it only idle semi-correctly when engine is hot did you clean the port before you replaced the iac valve, and measure the pntle ...

...sensor, thats mounted by the air filter or in the plastic tube that goes off the throttle body to the air box, its a 2 wire hook up. The idle air control "iac" is located on the throttle body side. ...

engine idles too low Do you have any engine code.if not clean trottle body plate and around. remove iac valve clean the hole and iac pintle what is low idle for you . idle is control by iac valve, tps

...out thats would be amazing thanks putting a toggle swicth to iac is no good, remember the iac receive info from ecu w/c calculate the air/fuel mixture base on input from ect, maf /map sensor,& ...