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Engine code P0008A?

 
Old 07-12-2019, 03:38 AM
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2013 c250
Engine code P0008A?

So I was driving my car and hit the gas as I was trying to pick up speed , and the car shifted funny and the check engine light came on and I lost power, RPMs wouldn't go too high... problem has happened a few times and the check engine light turns off after a few cycles of driving, and back to normal. I got the code pulled at a local autozone and they came up with the error code P0008A- low pressure fuel system pressure too low. What's going on here
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Old 07-12-2019, 04:09 AM
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2012 C300 4MATIC Sport - 2005 CLK 320
Originally Posted by Sticktalk View Post
So I was driving my car and hit the gas as I was trying to pick up speed , and the car shifted funny and the check engine light came on and I lost power, RPMs wouldn't go too high... problem has happened a few times and the check engine light turns off after a few cycles of driving, and back to normal. I got the code pulled at a local autozone and they came up with the error code P0008A- low pressure fuel system pressure too low. What's going on here
These cars are known to suffer from a failure in the high-pressure fuel pump. Do some research on it and you will find a lot of threads on it. This is likely what is happening with your car.
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Old 07-12-2019, 04:17 AM
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That's what I was worried about, as I've heard the HPFP fails often on these cars. It seems
like a complicated fix for myself, and costly at any mechanic. Is there anything serious that can arise from this issue? If I don't punch it, then it never acts funny, but it can steadily pick up speed merging on the highway and when I need to go. Sometimes I can accelerate quick and it'll be fine, other times
not so much. Thanks for the info.
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Old 07-12-2019, 06:58 PM
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A P0008 refers to the low-pressure side of the system. Assuming the pressure sensor is reading correctly, get the freeze frame data and tell us what the fuel pressure reading was. I think 5 bar is about right.

Your problem may not be with the high pressure fuel pump.
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Old 07-13-2019, 12:09 AM
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Would I have to basically get the code read by a Star system at an MB dealer, so it gives me more details? Thanks for the info, I'll work on getting that
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Old Yesterday, 04:13 AM
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Originally Posted by Sticktalk View Post
Would I have to basically get the code read by a Star system at an MB dealer, so it gives me more details? Thanks for the info, I'll work on getting that
Most decent aftermarket scanners should be able to provide you with the freeze frame data.
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