P26B5

Fuel Shutoff Valve B Control Circuit Performance/Stuck Off

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine Light Is On
Problems starting the engine
Reduced engine power
Increased fuel consumption
Impossibility of emergency fuel shutdown

Causes

Open or short circuit in control circuit
Fuel cut-off valve malfunction
Mechanical valve jamming
Relay or fuse problems
Engine control unit malfunction

How to Fix

Check valve control circuit integrity
Check valve resistance and operation
Clean or replace a stuck valve
Check relays and circuit fuses
Repair only from an authorized dealer

Related codes

P26B0 P26B1 P26B6