P2128

Throttle/Pedal Position Sensor/Switch E Circuit High

Severity

⚠️ Medium

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$17–56 (est.)

Symptoms

Rough engine idling
Dips during acceleration
Increased fuel consumption
Check Engine Light Is On
Loss of engine power

Causes

Faulty throttle position sensor
Short circuit in the sensor circuit
Poor contact in the sensor connector
Damaged wires in the circuit
Engine ECU malfunction

How to Fix

Check the integrity of the wiring to the sensor
Check connections and sensor connector
Test the throttle position sensor
Replace sensor if necessary
Check and, if necessary, reset throttle adaptations

Related codes

P2127 P2129 P2138