2008 Nissan altima I hear knocking when I accelerate what does this mean/

Asked by May 06, 2012 at 04:07 AM about the 2008 Nissan Altima 2.5 SL

Question type: Maintenance & Repair

1 Answer

13,335

Sounds like a pre-ignition issue. Your knock sensor is not working. You can run higher octane gas and the noise should go away. Knock sensor works by adjusting the timing on your vehicle if it detects the engine having pre-ignition.

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