Thread: Idle fluctuation and stalling when put into park? Trac light on?

traction control system

edit for more info:

mine does the same thing, except the rpm's dont drop down very low, I can watch the afr go rich and the idle will get rough.

Originally Posted by SgtMarshal

traction control system

edit for more info:

mine does the same thing, except the rpm's dont drop down very low, I can watch the afr go rich and the idle will get rough.

Its not supposed to do that though right? Maybe the car doesn't like having the plugs gapped so small. I read somewhere that a smaller plug gap can cause a rough idle?

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