4.9L L6

P0120 Ford 4.9L – How To Test a TPS

p0120-ford-4-9-l

The P0120 OBDII trouble code is a throttle position sensor error, specifically regarding the range of the signal being sent. Your throttle position sensor (TPS) tells your Ford Powertrain Control Module (PCM) how much the throttle blade is opened. Using…
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