P2018

Intake Manifold Runner Position Sensor/Switch Circuit Intermittent Bank 1

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Unstable engine idling
Reduced engine power
Increased fuel consumption
Check Engine Light Is On
Dips during acceleration

Causes

Damper position sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Mechanical failure of the dampers or their drive
Problems with the engine control unit

How to Fix

Check the integrity of the sensor wiring and connectors
Clean the contacts of the sensor connector
Check the mechanical operation of the dampers
Replace the throttle position sensor if necessary
Check and, if necessary, replace the damper drive

Related codes

P2017 P2017 P2019