P229B

Fuel Pressure Regulator B Exceeded Control Limits - Pressure Too High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$28–89 (est.)

Symptoms

Floating engine speed
Increased fuel consumption
Difficulty starting the engine
Power Loss
Check Engine Light Is On

Causes

Fuel pressure regulator B malfunction
Clogged fuel line
Problems with the fuel pump
Open or short circuit in control circuit
Engine ECU malfunction

How to Fix

Check the fuel pressure with a pressure gauge
Inspect the regulator control circuit
Check the condition of the fuel filter
Replace fuel pressure regulator B
Test the operation of the fuel pump

Related codes

P229A P229C P0087