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bad idleing

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Old 04-24-2008, 12:58 AM
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Car: 1990 Camaro RS
Engine: 350 TBI
Transmission: 700R4
Axle/Gears: 2.73
bad idleing

i have a tbi 350 and it fluctuates at idle and it bucks after about 2500. it only used to do this durring the summertime when i had the air conditioning on. i have replaced the plugs, cap, wires, and the rotor. any ideas as to what the problem may be? does it have anything to do with the A/C system?
Old 04-26-2008, 07:27 PM
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Car: 1988 Trans Am GTA
Engine: 350 4BBL
Transmission: 700R4
Axle/Gears: 3.27
Re: bad idleing

That's going to be pretty hard to trousleshoot seeing how they didn't put a TBI 350 in a 3rd gen.
I'm assuming it's a transplant or a 350 put underneath a 305 TBI system.
I'd change the TPS and calibrate it.
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