2007 buick lucerne reduced engine power came on. restart car and it will go away what is causing this problem.

Asked by Mar 28, 2018 at 07:53 AM about the 2007 Buick Lucerne

Question type: Maintenance & Repair

1 Answer

2,130

My guess is you have a bad knock sensor and the ECM is retarting the timing and you get the warning.....has the gas mileage gone down?

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