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Old 11-27-2007, 09:49 PM   #6
billdaman92
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Re: P0300 code - 1998 Lumina - barely runs

Quote:
Originally Posted by richtazz
IT would help to include what engine your car has, as there are different factors for each engine which will cause your symptoms.

The 3.1 is famous for puking intake gaskets, which will pump coolant into the oil. This thins out the oil, allowing it to escape past the rings and into the combustion chamber.
The 3.8 is famous for the EGR passage eroding the plastic upper plenum which will cause the coolant to get sucked into the combustion chamber.

In both cases, the coolant gets burnt and sent out the exhaust. It then gets stuck in the converter substrate, causing the sulfur smell.
Thanks for the response, Forgot to mention that the motor is a 3.1. Did the compression test today and found #3 cylinder dead, now my focus will be on searching the wrecking yards for a suitable replacement.
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