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Have an 07 GMC duramax 210,000 trouble free miles just

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started surging at idle will...
Have an 07 GMC duramax 210,000 trouble free miles just started surging at idle will level out after a minute or so got a low fuel rail sensor code now it starts fine but can not get over 1400 rpm. not pulling a load. Once in a while it will start to run right but it will always surge as I approach idle. I did rebuilt fuel filter houseing thinking a fuel leak but no change.
Looking for ideas. Love the truck have had a banks chip, exhaust, and intake on it since new..
Thanks
Submitted: 2 years ago.Category: GMC
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Answered in 8 hours by:
2/23/2016
GMC Mechanic: Ron, ASE Certified Technician replied 2 years ago
Ron
Ron, ASE Certified Technician
Category: GMC
Satisfied Customers: 38,844
Experience: 35 years in the Automotive repair business.
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Hello, my name is ***** ***** I am a professional here at Just Answer. I have noticed that your question was not getting a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here.

If you can scan the computer system and see if there are any fault codes setting and post back with them I will try and help you determine what is causing the problem you are having. Post back when you can and we can work from there.

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