P2071

Intake Manifold Tuning (IMT) Valve Stuck Closed Bank 1

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$28–133 (est.)

Symptoms

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

Causes

Mechanical jamming of IMT valve
Open or short circuit in control circuit
Malfunction of the solenoid valve (if the system is vacuum)
Problems with vacuum hoses
Valve position sensor malfunction

How to Fix

Check the mechanical part of the IMT valve for jamming
Check the integrity of the control circuit and connectors
Check the operation of the solenoid valve (if equipped)
Inspect vacuum hoses for cracks and leaks
Replace IMT valve if necessary

Related codes

P2070 P2072 P2004