Thread: What is this?
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Old 08-07-2006, 01:29 AM
Samuel M. Ross Samuel M. Ross is offline
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Join Date: Dec 2005
Location: CA... No. of S.F.
Posts: 890
JEREMYC, most likely the EGR has NOT been functioning...

and IF/when you restore it, you might find that the car runs more poorly than it does now. IF this happens, backtrack by putting a golf "T" in the vacuum line that goes to the thermal vacuum switch sensor that broke on you. IF the car runs better, then this is what I meant above.

Even IF you think the car is running well/OK now, I would take the top off the air breather and look down the throat of the intake... and IF you can see where the EGR opens and ports the exhaust gases into the intake, you want to verify that it completely closes when the vacuum is taken away from the EGR. IF the EGR is not completely closing, then this can also add to poor performance, power, and cause black smoke at full throttle.

Sam
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