Questions & Answers for: Pontiac Firebird iac sensor

IAC TB, and no difference in running or to the idling. The engine light is on, but I can not drive car to test, or read codes. I am limited in money and time, I am a novice mechanic. I do not know the

...sensor/vacuum thing. Nothing happens when I disconnect the hoses to the EGR or the thing next to it TB vacuum thing. I am wondering if there is a way to test the TBS and the IAC or the MAP. I would ...

...sensor and a iac and at park its idles at 1500 rpm Clean the throttle body inside to make sure the throttle plate closes properly. also clean the mass air flow sensor cross wires inside it's bore. If ...

sensor, or a vacuum leak. Check also the fuel tank cap, if this does not let air into the fuel tank, then you may experience problems, particularly when idling. Test the car without cap. The IAC valve

...Fuel Pressure Gauge Test Connector (9) Throttle Position (TP) Sensor (10) Idle Air Control (IAC) hope it helps if you need more info just ask!dont forget to vote on the answer thanks have a good day ...

...Sensor and IAC Valve have been replace and the plugs have 200 miles on them. Check fuel pressure regulator for fuel laying in the vacuum line going to the regulator.If it has fuel in it replace ...

...sensor and iac Thanks for choosing FixYa and welcome. This is a hard solution to point out because it could be a power surge from something. A idle control sensor or map sensor can cause it to spike. ...

...to do a compression test, and check the fuel PSI. possible vac leak .,it could be a number of things as little as a bad map sensor or even the iac needing to be replaced, is the check engine LT.

...iac, iat, map, maf, tsp, crank position sensor and reluctor wheels, cam position sensor, 6 spark plugs , wires, smoke tested no leaks found. FUEL PRESSURE 45 psi at koeo. 38 psi at 3000 rpms. Coolant ...