Throttle/Pedal Position Sensor ‘A’ Minimum Stop Performance
Table of contents
P2109 MERCURY Possible Causes
- Obstruction in the throttle plate movement
- Faulty Electronic Throttle Body (ETB)
How do I fix code P2109 MERCURY?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P2109 MERCURY code
The cost of diagnosing the P2109 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P2109 MERCURY Description
The Powertrain Control Module (PCM) monitors the electronic throttle for the ability of the throttle plate to reach the lower mechanical stop position within a calibrated amount of time at ignition ON. The P2109 code sets if the throttle plate does not reach the lower mechanical stop position within a calibrated amount of time.