Question about 1999 Chevrolet Tahoe

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Engine problems Purchased a 1999 chevy tahoe that had not been drove for 6 months. We know that it needed a water pump; replaced that. And was still leaking antifreeze. Now we figure out that it's a freeze plug. But what that out; when you start the tahoe. Eractic sound, putting, running rough and will not idle. Any ideas? Maybe head gasket, bad engine.

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Check your exhaust. If the vacum is not complete, the truck may idle like ****. Same for your catalytic converters and O2 sensors. do a system check at a garage.

Posted on Feb 28, 2009

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