P229B
Fuel Pressure Regulator B Exceeded Control Limits - Pressure Too High
P229B is an OBD-II diagnostic trouble code meaning: Fuel Pressure Regulator B Exceeded Control Limits - Pressure Too High. Common causes: fuel pressure regulator b malfunction, clogged fuel line. Estimated repair cost: $28–89.
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
Error P229B by Vehicle Brand
FAQ
What does the P229B code mean?
P229B is an OBD-II diagnostic trouble code that indicates: Fuel Pressure Regulator B Exceeded Control Limits - Pressure Too High
What causes a P229B error code?
The most common causes of P229B include: Fuel pressure regulator B malfunction; Clogged fuel line; Problems with the fuel pump; Open or short circuit in control circuit.
How do I fix a P229B diagnostic trouble code?
To fix P229B: Check the fuel pressure with a pressure gauge. Inspect the regulator control circuit. Check the condition of the fuel filter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P229B?
Limited driving only, diagnose soon
How much does it cost to fix P229B?
The estimated repair cost for P229B is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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