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Thread: Rough Idle
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Old 03-30-2021, 11:20 AM
19963.4lsr5 19963.4lsr5 is offline
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19963.4lsr5 19963.4lsr5 is offline
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19963.4lsr5 is a splendid one to behold 19963.4lsr5 is a splendid one to behold 19963.4lsr5 is a splendid one to behold 19963.4lsr5 is a splendid one to behold 19963.4lsr5 is a splendid one to behold 19963.4lsr5 is a splendid one to behold 19963.4lsr5 is a splendid one to behold
For the 3.4l there is a vacuum air assist that ports air from the IAC to a Y that splits and goes to each side of the intake manifold in line with wheee the injectors mount in it.

Yours being an 01 I do not know if your engine has this same setup.

Also that IAC has a coolant line going to it and it’s easy to get the air assist and coolant lines swapped. But once again I do not know if your 01 has the same setup.


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