P229A OBD Error Code: Problem & Solutions

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OBD Error Code P229A is a generic trouble code and mostly applies to all the OBD-II vehicles. It might be more prominent in Chevy, Dodge and GMC vehicles. Though this code is generic but the steps to fix and diagnose it may vary from vehicle to vehicle depending upon the manufacturer and powertrain configurations. It can be described as the fuel pressure regulator 2 exceeded control limits - pressure too low.

OBD error code P229A will be set by your vehicle’s powertrain control module when it detects that the fuel pressure regulator is not operating as required or the fuel pressure is out of factory specifications. This will result in the illumination of the check engine light which will keep on flashing until you resolve the code. To know about few of the common causes behind this OBD error code P229A, take a look at the sections below.

What causes this problem with the Fuel Pressure Regulator 2 Exceeded Control Limits - Pressure Too Low?

• Malfunctioning fuel pressure regulator
• Malfunctioning fuel pump
• Bad fuel pressure sensor
• Damaged or leaking fuel injector
• Failures with the powertrain control module

1. Fuel Pressure Regulator - Engine stalling and excessive black smoke from the tailpipes? Well, the issue lies with your vehicle’s fuel pressure regulator. You need to fix or replace the faulty one at the earliest to prevent any further damage to your vehicle and get rid off error code P229A.
2. Fuel Pump - A faulty fuel pump will affect the supply of fuel and thus the engine’s performance. Replace it immediately to get rid of OBD error code P229A.
3. Fuel Pressure Sensor - Hard engine starting? Flashing of check engine light? OBD error code P229A flashing? If yes, well you definitely need to undergo faulty fuel pressure sensor replacement right now.
4. Fuel Injector - If you want to avoid rough engine running and drivability issues then you must check your vehicle’s fuel injector. If faulty they can lead to OBD error code P229A. If you are already facing this error code then we recommend you to replace the defective ones with new ones with us today. We have in stock bosch fuel injectors and many other top brands fuel injectors.
5. Powertrain Control Module - If your car’s PCM isn’t functioning properly, you will need to have it replaced as early as possible to avoid any form of engine performance issues. You can find one with us at PartsAvatar for your specific make and model.

Interested in knowing the symptoms to obd code P229A? If yes, then you have arrived at the right place. We at Parts Avatar have listed out few common symptoms associated with Fuel Pressure Regulator 2 Exceeded Control Limits - Pressure Too Low.

Common Symptoms

• Decline engine efficiency
• Stalling engine
• Fall in fuel efficiency

Have a look at some ways with which you can correct the P229A code:

• Undergo fuel pump replacement
• Undergo fuel pressure regulator replacement
• Make sure to repair or replace the leaking fuel injector
• Also, repair or replace the faulty powertrain control module

There is no need to get strained if your OBD Code is still flashing up as we are here at your service. Have a look at our superior variety of Fuel Pressure Regulator, Fuel Pump, Fuel Pressure Sensor, Fuel Injector, Powertrain Control Module and many more. Now all your problems would vanish within no time.

• In order to diagnose this error code P229A you will need to use a scanner to check for the stored error code.
• Next, you will have to connect a scanner to the diagnostic port of the vehicle and recover the codes and freeze frame data. This will help you in further diagnosis. Now you will need to conduct a road test and check what all codes return.
• If you come across any other codes related to fuel delivery system we would recommend you to get rid of them first before attempting to solve the error code P229A.
• To undergo a complete diagnosis of this error code, you will need few tools such as diagnostic scanner, a digital volt/ohmmeter, and a reliable vehicle information source. While diagnosing make sure that you carefully check the for the pressure to the Fuel pressure regulator 2.
• Next, make sure you check all the fuel injection system fuses and relays for any damage. Lastly remove fuel Injector and observe fuel spray pattern for abnormalities.

Common Mistakes When Diagnosing the P229A Code

There are chances that you undergo engine control module replacement, but it might not be needed. This way you will end up spending unnecessary bucks on your car. The code could be solved with a simple computer learn procedure or ecu reprogramming. Therefore a proper diagnosis is always recommended.

• Failing fuel pressure regulator
• Failing fuel pump
• Fuel injector leakage
• Failed powertrain Control Module (PCM)
• Problematic wiring