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Old 07-29-03, 04:39 PM   #1
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Join Date: May 2002
Location: Springfield, VA
Posts: 78
Question Idle issues: Idles really smooth with A/C on, and rough without...

I guess this means my BAC is working properly right? Why would a car idle better with the A/C on but lumpy and almost cut-out-like with the A/C off. Engine runs smooth with and still is making normal power. No smoke out of the tailpipe. Recient plugs, new wires, new TPS, new Water thermo sensor. The AFM is in spec. The injectors are in spec. Throttle body just cleaned. BAC cleaned.

Now I tried to adjust the TPS using the LED thing, but for some reason it wouldn't make any lights go on. I know my testor is correct because with the engine running, the lights go on and off as I play with the throttle. This is what really preplexes me.

The car is an 89 GTU. Please help.
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Old 07-29-03, 05:58 PM   #2
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heh me too!!!

With regards to your tps, you have it too far in.

BTW check your acv. Mine's facked, and i'm replacing it this weekend.
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Old 07-29-03, 05:58 PM
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ac, car, idle, idles, idol, makes, rough, runs, smooth, smoother, throttle

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