1994 Mercury Marquis Repair Question
Topics covered: Engine, Burning oil, Coil pack.
Mileage: No information provided.
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?
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?
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-