P2079

Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Intermittent Bank 1

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

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

Causes

Poor contact in the sensor connector
Open or short circuit in the sensor circuit
IMT valve position sensor malfunction
Mechanical failure of the intake manifold flaps
Problems with the wiring harness near the intake manifold

How to Fix

Check the sensor connections and connector for corrosion and damage.
Test the sensor circuit for open and short circuits
Check the resistance and signal of the position sensor
Inspect the intake manifold flap mechanism
If necessary, replace the IMT valve position sensor

Related codes

P2080 P2081 P2078