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Re: [T3] Surging at idle when warm


If your car is FI, you need to check the auxilary air regulator (little valve 
just right of the distributor), make sure the engine is at operating temp 
first, pull the hose from the air cleaner end with engine idling and cover it 
with your thumb, if the engine tries to stall, the regulator is toast. Also 
check to see if the hose from the regulator to the intake air distrubtor is 
tight, as this can also lead to erratic idling with the engine warm.

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