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engine idle trouble help!

This is a discussion on engine idle trouble help! within the General Help forums, part of the LSx Technical Help Section category; my 02 firebird idles rough with a/c on what do i do?...

  1. #1
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    red
    02 firebird

    engine idle trouble help!

    my 02 firebird idles rough with a/c on what do i do?

  2. #2
    Senior Member
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    How bad? You mean just different? With the AC clutch engaged and fans at high speed at idle it will put more of a load on the motor/electrical system. Throwing any codes?

  3. #3
    Member ProwlerZ's Avatar
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    Silver
    2002 Z28

    what's done to your car, stock? I'm having the same problem, but it's because of the cam, and I haven't quite perfected the idle w/ac in the tune.
    She's baaaaaccccck...

    '02 Z/28 M6 Hardtop

  4. #4
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    red
    02 firebird

    yeA IT STOCK

  5. #5
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    Dark blue metallic
    1999 Camaro SS

    How many miles? If the car is stock it should idle fine with the A/C on, so it could be extra drag caused by the clutch or possible some other items.

    Would the idle air control valve effect this? If it's dirty it will cause rough idle.

    Part of basic maintenance on most EFI cars these days is to clean items such as the IAC. They often get caked with carbon and other deposits.

    The IAC is the round item bolted to the right side of the throttle body, towards the top with a wire connector on it. It's removed with two torx screws. Be careful to note the location and presence of the o-ring for reinstallation.

    I usually just spray them with a good stream of carb cleaner or brake cleaner to remove the deposits. I've seen some so bad they were basically stuck in a certain position and caused the car to not idle, a simple cleaning was all it took.

    How many miles on the car?

  6. #6
    We'll be back... GatorSS's Avatar
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    Light Pewter Metallic
    2000 Camaro SS M6

    When was the last time you changed your fuel filter and cleaned your fuel injectors?

  7. #7
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    red
    02 firebird

    it a 25k miles

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