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EGR problem????
today i found out that the old owner unplug the vacuum hose for the egr and use the vacuum line for a boost gauge.. So the egr has no vacuum source. But when i unplug it from the boost gauge and put the vacuum back on the egr and start it up the car kinna spudders while idling.. wen i rev it up it revs fine.. so wat can be the problem here? could it be the egr is stuck close or something?
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