P208F

Reductant Injection Valve Stuck Closed Bank 2 Unit 1

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Increased NOx emissions
Check Engine light comes on
Reduced engine power
Engine transition to emergency mode
Unpleasant exhaust smell

Causes

Valve jammed due to contamination
Mechanical damage to the valve
Electrical wiring problems
Control unit malfunction
Reductant contamination

How to Fix

Check the condition of the reductant injection valve
Clean or replace valve if necessary
Check electrical wiring and connections
Check the operation of the control unit
Replace the reductant if contaminated

Related codes

P208E P2090 P20EE