P2129

Throttle/Pedal Position Sensor/Switch E Circuit Intermittent

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Unstable engine operation
Power Loss
Unexpected changes in engine speed
Check Engine light comes on
Acceleration problems

Causes

Gas pedal position sensor malfunction
Damage to wiring or connectors
Short circuit in the circuit
Poor contact in connectors
ECU malfunction

How to Fix

Check the integrity of the sensor circuit
Inspect connectors for damage or corrosion
Check sensor resistance and voltage
Replace the gas pedal position sensor if necessary
Check and, if necessary, replace the computer

Related codes

P2127 P2128 P2130