P008A OBD-II Trouble Code: Pressure Fuel System Pressure - Too Low

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P008A code definition

The P008A code indicates that the fuel pressure is below the specification for the supply needed for the vehicle to operate.

What the P008A code means

A P008A code is a generic OBD-II code that appears with a low pressure fuel system reaches levels that are too low or readings that are out of tolerance. Generally, it means that fuel has entered into the system and sent a false signal.

What causes the P008A code?

The P008A code may occur for several reasons, including:

  • The vehicle ran out of fuel before the code appeared
  • Faulty low-side fuel pressure sensor
  • Problems with the fuel pump, fuel pump control module, or fuel filter

What are the symptoms of the P008A code?

The P008A code is often accompanied by the check engine light and multiple codes. There may be an oxygen sensor code or codes indicating that the vehicle is running rich or lean. The vehicle can also misfire because of fuel conditions, and it may run rough or experience an inability to accelerate.

How does a mechanic diagnose the P008A code?

The P008A is diagnosed using several steps:

  • The technician must be sure that the vehicle did not run out of gas at the time the code was created.
  • They will use the scanner to capture freeze frame data and all related codes.
  • They will check the sensor and measure the pressure in the supply lines indicates if the sensor is bad.

What repairs can fix the P008A code?

The most common repairs used to address the P008A code are:

  • Checking the diagnostic data and freeze frame to be sure that there is not a P1250 code that would mean the issue was low or no fuel and not a sensor malfunction.
  • Replacing the low side fuel pressure sensor and clearing the fault codes. Rerunning the diagnostics is needed to determine if the code is gone.
  • It is important to wait to run diagnostics or do any replacement of other fuel system components such as the fuel filter, pump control module, or fuel pump until the diagnostics on the low-side sensor.

Need help with a P008A code?

YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230.


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Carlos

27 years of experience
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Carlos
27 years of experience
Kia Optima - Brake Pads Replacement (Rear) - Riverside, California
Second time Carlos has come to my place and hooked it up. First to diagnose and replace a starter then break pads, both done fast and perfect. Easy work for Carlos.
Toyota RAV4 - Brake Pads Replacement (Front) - Garden Grove, California
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Gustavo

16 years of experience
139 reviews
Gustavo
16 years of experience
Ford F-150 - Brake Pads Replacement (Front, Rear) - New Braunfels, Texas
Very friendly and explains things if you are interested. I will continue to work with Gustavo any time I need auto work done - this is my second time out for a different car and will book him for my third car. Already have recommended Gus to my friends.
Nissan Altima - Brake Pads Replacement (Front, Rear) - San Antonio, Texas
An amazing mechanic very hard working and fast. Very helpful with suggestions and comments on better maintenance of my car.

Robert

21 years of experience
62 reviews
Robert
21 years of experience
Dodge Challenger - Brake Pads Replacement (Front) - Fort Worth, Texas
On time, professional, very knowledgeable on vehicles and maintenance issues. Robert took the time to show the condition of parts and explain what did or did not need to be replaced or repaired. He is the best kind of mechanic and not someone who would scam a customer into more costly repairs. I had requested a brake pad replacement and Robert showed me that 3 of the 4 pads were in good condition and would not need replacing and even checked the rear pads for condition. I would highly recommend Robert because he is very ethical in his treatment of customers and because he is also a Veteran! GW

Roberto

8 years of experience
29 reviews
Roberto
8 years of experience
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Roberto was very professional and courteous and did a great job on my brake replacement. I would recommend him for all services!

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