Problem Reports
Cadillac DeVille DTS
Report: Excessive Engine Oil Consumption
Cadillac DeVille DTS Problem
Model Years Affected: 2001, 2002, 2003
Average Mileage: 97,881 mi (73,317 mi - 145,000 mi)
Vehicles equipped with the 4.6L engine may develop excessive oil consumption. Please be advised that under optimum driving conditions, using one quart of oil every 2000 miles is acceptable. This Cadillac standard applies to vehicles with less that 50,000 miles. Our technicians tell us that if you experience excessive oil consumption it may be caused by built up on the piston rings which restricts movement, preventing them from wiping all the oil from the cylinder walls. Oil left behind is then burned during the combustion process. There is a special ring cleaning procedure which can help this situation. The GM service bulletin number is #02-06-01-009C.
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Visitor, 2001 Cadillac DeVille DTS, 145,000 mi
Deville has ben consuming oil on a regular basis. It probably goes through a quart every 500-1000 miles.
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cadbrat, 2001 Cadillac DeVille DTS, 73,317 miRookie
My DTS is using about a quart of oil every 500 miles and then. My plugs get fowled, but not with any gunky build up, also and starts missing. I've had to replace my plugs twice in the last 5,000 miles.
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Visitor, 2001 Cadillac DeVille DTS, 75,327 mi
burns through oil 4 quarts in 1500 miles. Yes have used gms fix and worked only for a short while.yes it leaks all over my driveway.
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