08 LMM change fuel filter warning - Page 2 - Chevy and GMC Duramax Diesel Forum
07.5-10 LMM Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission, Etc.

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post #11 of 13 (permalink) Old 04-09-2019, 08:51 PM Thread Starter
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Originally Posted by Ron Nielson View Post
Originally Posted by BrandonB View Post
Just when I need more fuel it says change fuel filter?
Do you mean that after your fill up, or add fuel, then the problem occurs? Please explain.
I mean I don't notice a difference either way. It's just when I step on it going uphill. I found a kinked line today behind my turbo intake hose. Going to assume that's part of the problem and replace them. I put a hose clamp on and went uphill and no change fuel filter. Yet.....

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post #12 of 13 (permalink) Old 04-13-2019, 05:16 PM Thread Starter
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Replaced the fuel lines that were collapsed and still got the change fuel filter. Drive it with computer hooked up. Injectors 3-4 we're a little high but not out of range. Any ideas? Mobile mechanic is going to replace fuel pressure relief valve.

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post #13 of 13 (permalink) Old Yesterday, 08:21 PM
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I had the exact same problem last year. Rebuilt fuel filter head & replaced head lines. No change. Put a FASS flow enhancer on it and it hasnít done it since.

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