I have a 2004 Pontiac Montana. The engine rattles on the left side when under acceleration. Sounds like a diesel. I cannot pinpoint the noise. Any ideas?

10

Asked by Bbking Nov 26, 2015 at 02:01 PM about the 2004 Pontiac Montana Base

Question type: Maintenance & Repair

1 Answer

10

I thought that might be the problem but there are no service-engine codes. Is it possible that a bad knock sensor would not trigger a code?

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