Question about Pontiac Cars & Trucks
Most of these sensors, there is no adjustment. Usually I want to check sensor wiring circuits before replacing anything, With three wire connector, that should be ref voltage--ground and signal, The ref voltage is usually around 5 volts. With key on throttle closed, the signal may be less than a volt. With throttle wide open signal would show around 4.5 volts. If a problem on wiring circuit, somewhere, replacing the sensor won't fix it. If there was a code, erase code, see if it comes back, after repair, if it comes back, it isn't fixed.
Posted on Dec 15, 2016
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Posted on Jan 02, 2017
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