Code result
P008B
Low Pressure Fuel System Pressure - Too High
Moderate severity
What it means
The low-pressure fuel pressure is above the expected value. Often caused by a stuck-closed fuel return valve or a faulty pressure regulator.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Pressure regulator stuck closed
highOne of the most commonly reported causes for this code — check this first.
Return line blocked
mediumA plausible cause — test and verify before replacing parts.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose P008B freeNo credit card required