Idle Problem
When I run the AC or heater my idle goes up and down from 500 to 1500rpm a few times then eventually dies. Now, the other day I was driving along without the AC and it just died on me! I have replaced the Idle Air Control Valve, the TPS, and the MAF is clean. Any ideas? All this started before I ever made any upgrades, and it's still going on.
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1999 GT Conv - 5spd
3.73's
Accufab 75mm throttle body/plenum
Cold Air Intake
40 series Flowmasters
Nitto Drag Radials
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