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Check engine light came on after it looks like got choked?

Customer Question
Check engine light came...

Check engine light came on after it looks like got choked? simple checked on OBD2 code came out P0088.

Mechanic's Assistant: Does the light stay on, or does it blink?

Stays on

Mechanic's Assistant: What is the model/year of your Mercedes?

2009 ML320 bluetec

Mechanic's Assistant: Are you fixing your vehicle yourself? What have you tried so far?

I like to so I can save money!

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

I think, that's it for now

Submitted: 7 months ago.Category: Mercedes
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Answered in 6 minutes by:
12/11/2017
Mercedes Mechanic: Pete, Mercedes Mechanic replied 7 months ago
Pete
Pete, Mercedes Mechanic
Category: Mercedes
Satisfied Customers: 32,980
Experience: Over 15 years experience as a Mercedes dealer technician
Verified

Hi, my name is ***** ***** I will be happy to assist with this today.In some cases, I may need more info to assist better.I apologize for any delay.

This code sets when high fuel rail pressure is detected.This can be due to a fault with the fuel rail pressure control valve sticking needing replaced which was a common issue I have seen fail before.It is located at the end of the fuel injector rail and it has an electrical connection plugged into it.

Unfortunately, this will take a high-end scan tool or dealers star diagnosis machine to walk through the test steps to locate if the valve needs to be replaced as the SDS machine walks through the diagnosis for this code with checks and tests.

If more help is needed, use the reply tab to continue our conversation. If no further assistance is needed, kindly rate my service, your 5-star rating is appreciated ( should be a link to click on here or above).You can rate at any time and we can continue to work on your question as this will not close out your question.Keep in mind in some cases it can be difficult to fully diagnose or help repair your vehicle without seeing it and I work on delivering the best possible answer from what I see to work with.

Thanks Pete

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Customer reply replied 7 months ago
the fuel regulator is at the end of the fuel rail in diesel ml320, not near the fuel pump?
Mercedes Mechanic: Pete, Mercedes Mechanic replied 7 months ago

Let me double check this to make sure,I will post back here shortly.

Thanks Pete

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Mercedes Mechanic: Pete, Mercedes Mechanic replied 7 months ago

According to what I have found it is at the end of the fuel injector rail.You should see it at the end of the rail with an electrical connection plugged into it.

Let me know if you need anything else and feel free to rate my help here or above ( should be a link to click on ) as this is how I receive credit for my time, this can be done at any time and you can still come back here and reply if needed.Your 5-star rating is appreciated

Thanks Pete

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Mercedes Mechanic: Pete, Mercedes Mechanic replied 7 months ago

Hi, just checking in to see how things are going. Do you need further assistance?

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Customer reply replied 7 months ago
I ended up bringing my ML to dealership! Thanks for your help.
Mercedes Mechanic: Pete, Mercedes Mechanic replied 7 months ago

Your welcome

If there is anything else I can help with let me know as I strive to achieve a 3 to 5 star rating for my assistance here.

Thanks Pete

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