1991 bonneville map sensor - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 02-26-2008, 10:54 PM   #1
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Default 1991 bonneville map sensor

Where is the map sensor? Also i cant find any replacements for the 1991 bonneville. I find a lot of the harnesses but none of the sensors. Also how many o2 sensors does it have?
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Old 02-26-2008, 11:07 PM   #2
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91 should be a Vin C which in that case doesn't have a MAP sensor. It has a MAF (mass air flow sensor) though.

Only 1 O2 sensor, located on the rear manifold by the firewall.
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