P2078

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

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Unstable operation at idle
Deterioration in acceleration dynamics
Increased fuel consumption

Causes

Open circuit in the IMT valve position sensor circuit
Short circuit to power in the sensor circuit
IMT valve position sensor malfunction
Problems with the wiring harness or connectors
Malfunction of the intake manifold adjustment valve itself

How to Fix

Check the continuity of the IMT valve position sensor circuit
Check for short circuit to power
Check connectors and wiring harness for damage
Check the functionality of the IMT valve position sensor
If necessary, replace the IMT sensor or valve

Related codes

P2079 P2080 P2081