Problem Reports » Check Engine Light Due to Cam Sensor Interrupter Falling off Camshaft Gear

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Pontiac Bonneville

 

Report: Check Engine Light Due to Cam Sensor Interrupter Falling off Camshaft Gear

Pontiac Bonneville Problem
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Model Years Affected: 1990, 1991, 1992, 1993, 1994, 1995

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The cam sensor interrupter (magnet) may become demagnetized and/or fall off of the camshaft gear causing the Check Engine Light (Service Engine Soon) light to illuminate. On higher mileage vehicles it would be advisable to replace the timing chain and gears if this problem were to occur as the timing cover must be removed to replace the interrupter.

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