Poor Porformance, Rough Idle

10.0

really awful
Typical Repair Cost:
$3,500.00
Average Mileage:
102,000 miles
Total Complaints:
1 complaints

Most Common Solutions:

  1. replace plenum and plenum gasket (1 reports)
2001 Cadillac DeVille engine problems

engine problem

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2001 Cadillac DeVille Owner Comments

problem #1

Mar 212012

DeVille DTS Northstar V8

  • Automatic transmission
  • 102,000 miles

A D V E R T I S E M E N T S

As others have reported here, and on other forums, the oils consumption was remarkably high. I always tolerated it, because otherwise I loved this car. I vas very fastidious about keeping the oil level at an acceptable point. During cold weather in March of 2011, It went from near perfect performance to a very rough idle, and a host of P codes. Close inspection revealed that the plenum had cracked, and was causing a major vacuum leak. The mechanic at the Cadillac dealership near my home revealed that it was a very common problem with that motor.

- , Saint Michael, MN, USA

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