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  • The P228D code stands for “Fuel Pressure Regulator 1 Exceeded Controls Limits – Pressure Too High.” It’s triggered when the PCM detects the fuel rail pressure is higher than the desired pressure.
  • Some of the problems that could cause the code includes an incorrectly timed engine, low engine oil pressure, and a faulty PCM.
  • A lit check engine light, rough running, and stalling are some of this trouble code’s symptoms.

On some vehicles, an electronic fuel pressure regulator helps maintain the appropriate fuel pressure needed by the engine’s fuel injectors. When your vehicle’s electronic fuel pressure regulator develops a problem, the P228D code or other related trouble codes could trigger.

What Does the P228D Code Mean?

The P228D code is defined as “Fuel Pressure Regulator 1 Exceeded Control Limits – Pressure Too High.” This code triggers when the powertrain control module detects the actual fuel rail pressure is higher than the desired pressure.

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The P228D diagnostic trouble code is considered severe because excessive fuel pressure can cause catalytic converter and internal engine damage.

image of a ca  fuel pressure regulator
The P228D code triggers when the powertrain control module detects the actual fuel rail pressure is higher than the desired pressure.

Note: The definition of the P228D code can be different depending on the vehicle manufacturer. Consult the appropriate repair manual or repair database for the exact code definition.

What are the Common Causes of the P228D Code?

The P228D code is commonly caused by the following issues:

What are the Common Symptoms of the P228D Code?

Here are the common symptoms of the P228D code:

image of an automotive fuel pressure sensor
Fuel pressure sensor issues can result in a registered P228D code.

How to Diagnose the P228D Code

The P228D code can occur in most modern vehicles. However, this doesn’t imply that there is a universal solution to the problems that trigger this code. Keep in mind that vehicle designs and their respective repair procedures vary depending on the manufacturer.

If you’re not familiar with vehicle repair, take your car to a mechanic for a proper diagnosis.

How to Fix the P228D Code

The repair process of OBD-II trouble codes can vary greatly between vehicle models, so there isn’t a single fix-all solution for them. If you don’t have much experience troubleshooting DTCs, then we recommend leaving the task to a trusted professional.

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But if you’re experienced with vehicle repairs, you can opt to do the job yourself. Make sure you refer to vehicle-specific repair information before you get started. Repair manuals like those from Chilton or a subscription to an online repair database like ALLDATA DIY can give you information on the correct diagnostic and repair procedure to clear diagnostic trouble codes like P228D.

Where to Get Replacement Parts to Fix Code P228D

If you want to fix this trouble code, you must determine the faulty parts that triggered the code and replace or repair them as needed. It could be anything from a bad fuel pressure sensor to a malfunctioning fuel pressure regulator.

Driving while such crucial parts are not working properly can be dangerous, so it’s best to replace them immediately. Fortunately, getting a replacement shouldn’t be too difficult with the help of

We have a wide selection of replacement parts for various makes and models, so you’re sure to find one that fits your ride. Use our vehicle selector to narrow down our catalog to compatible parts. If you have questions about a part or need help while shopping, you can contact our customer service team anytime through our toll-free hotline.

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In addition, our sensors are selected by a team of professionals to guarantee quality and durability, all at competitive prices. On top of that, you can expect fast shipping, thanks to our strategically located warehouses.

Buy replacement parts on our website, and restore your ride’s top-notch performance in no time.

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Replacement – Fuel Pressure Sensor – Direct Fit, Sold individually
, P228D Code: Fuel Pressure Regulator 1 Exceeded Control Limits – Pressure Too High
$19.49 Price and rating may change from the time content is published.
Replacement – Fuel Pressure Regulator
, P228D Code: Fuel Pressure Regulator 1 Exceeded Control Limits – Pressure Too High
$16.49 Price and rating may change from the time content is published.
About The Authors
Written By Automotive and Tech Writers

The Research Team is composed of experienced automotive and tech writers working with (ASE)-certified automobile technicians and automotive journalists to bring up-to-date, helpful information to car owners in the US. Guided by's thorough editorial process, our team strives to produce guides and resources DIYers and casual car owners can trust.

Reviewed By Contact Center Manager and Technical Reviewer at

William “Bill” Guzenski has produced hundreds of how-to videos for the automotive community. He’s an ASE Certified Master Automobile Technician, and is affiliated with the Specialty Equipment Market Association (SEMA). He loves attending race events and car shows throughout the country, as well as traveling in his 40-foot motorhome, exploring abandoned mines and ghost towns.

Any information provided on this Website is for informational purposes only and is not intended to replace consultation with a professional mechanic. The accuracy and timeliness of the information may change from the time of publication.

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