2003 Chevy trailblazer ltz problem.?

When I turn on the air the car wants to cut off or when I put it in park with the air on it revs up by itself. Also when im driving with the air on it acts like it (racing) or wants to jerk. Any ideas?

Update:

if it is the idle air valve how much is it, i looked on auto zones website and said they dident find one for this car.

Comments

  • does the car act like it doesnt want to shift sometimes?becuz if its reving up when u put it in park,u could have a bad idle air control valve.but idk not enough deatil.do u have ne check engine light on?u can email me with more detail if u like too

  • Have you test driven the V6? Asides from better gas mileage than a V8, the V6 is pretty peppy (if it's in good condition. Changing parts over? Got a lot of money? Everything goes through computers these days so your climate controls will have a list a mile long, including the complete dashboard wiring harness, the BCM (body control module, one of the main brains), of course the steering wheel, and you'd have to reprogram the computers to tell them you have a different type of A/C system in your vehicle. I work for Chevrolet so I know it would cost a lot. Take the V6 for a test drive.

  • Idle air control valve... 100%

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