P26B4

Fuel Shutoff Valve A Control Circuit Stuck On

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine Light On
Increased fuel consumption
Unstable engine operation
Difficulty starting the engine
Power Loss

Causes

Short circuit in control circuit
Faulty fuel valve relay
Engine control unit problem
Malfunction of the fuel valve itself
Defective wiring harness

How to Fix

Check valve control circuit for short circuit
Test the fuel valve relay
Check the functionality of the fuel valve
Inspect the wiring harness for damage
If necessary, replace the fuel valve

Related codes

P26B5 P26B6 P26B7