Mechanics

TACH

1992 Pontiac Bonneville • 6 cylinder FWD Automatic • 213,771 miles

What controls the tach in a 1992 pontiac bonneville it is reading to high. Is it controlled by the cam shaft sensor?
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Canam77
August 22, 2011.



Try checking the igniton timing and also adjusting the curb idle speed from the stop screw-use carb cleaner on the acc. Linkage and clean throttle plate

Rasmataz
Aug 23, 2011.