Question about 1993 Mercury Grand Marquis

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Car failed for visable smoke 93 marquis - 1993 Mercury Grand Marquis

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A temporary solution for removing oil smoke. (oil burning )
Use synthetic oil with 3 cans of STP oil treatment with oil level brought only to the add mark on the dip stick.

The synthetic oil will burn clear and the STP will reduce the oil burning to almost 0 for a day or two.

To reduce antifreeze burning.......put a rad cap on that cannot hold pressure and is vented to the overflow bottle......rip the rubber gasket on the cap in two...leave half there.
This will cause no pressure to build up in the cooling system and should reduce antifreeze burning greatly.

REMEMBER.....if you have filled the exhaust system with a burning product....antifreeze or oil.....it will take time to burn off and out of the exhaust system.

These are temporary solutions just to get you through the test.
You may need major engine work to correct a smoking engine for long term use.

Posted on Sep 11, 2009

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