1996 Plymouth Voyager Have two codes PO123, PO121

1996 PLYMOUTH VOYAGER
160,000 MILES • 6 CYL • FWD • AUTOMATIC
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BUTCH5000
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Throttle/Pedal position sensor/Switch A circuit Range/Performane


Throttle/Pedal position sensor/Switch A circuit high

Where do I find the sensor and how do I trouble shoot it?
Oct 9, 2009 at 10:39 AM
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JALOPYPAPA
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It's on the throttle body near the throttle shaft, with a three-wire connector. With the key on, and using a multimeter backprobing the connector (I use straight pins and an alligator clip attachment to the multimeter leads), one outer wire should show 5 volts, the other continuity to ground. THe middle one should vary smoothly from about 0.2 to about 5 as you open the throttle.

check here: https://www.2carpros.com/trouble_codes/obd2
Oct 9, 2009 at 11:41 AM