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1994 Mercury Marquis Repair Question


Topics covered: Engine, Burning oil, Coil pack.
Mileage: No information provided.

Asked on October 19, 2010

1994 Mercury Marquis Failed Emissions- High Hydrocarbons

Engine Performance problem
1994 Mercury Marquis V8 Two Wheel Drive Automatic 141000 miles

Can anyone tell me what it may-be besides spark plugs and coil pack cause I replaced them. Then I checked the cats and both good. Is there anything else I can do?
Avatar Asked by jrubioc5447

Answer

Replied on October 20, 2010

Could be a lean misfire due to vacuum leaks, injectors,fuel pressure problem to include and engine burning oil thru valves and rings-

Tiny Answered by rasmataz
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