What is PO221 TPS

Asked by Mar 20, 2015 at 04:51 PM about the 2005 Ford Explorer XLT V6 4WD

Question type: Maintenance & Repair

Loses Power engine light on check fuel pump , change EGR sensor, change plug wires

2 Answers

TPS is Throttle position sensor, and P0221 is a faulty one or the electrical circuit in wiring harness to it. The PCM does not 'know' how much throttle you are applying.

http://easyautodiagnostics.com/ford/4.6L-5.4L/tps-diagnostic-tests-1 click-for-full-screen

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