Chevy Silverado
Pontiac Grand Prix
Grand Prix GTP

Where is the knock sensor on a 1991 Grand Prix?

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2007-02-06 16:34:12
2007-02-06 16:34:12

There is two knock sensors on this engine, one is on the engine block closest to the firewall below the spark plugs, the other one is on the opposite side of the engine block closest to the front of the vehicle beside the oil filter.

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