01 Duramax issues - Chevy and GMC Duramax Diesel Forum
01-04.5 LB7 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 Ect

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Old 12-03-2012, 09:37 AM   eBay Motors  #1 (permalink)
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01 Duramax issues

I just bought a new 2001 Duramax and been having funny things happen. First the fuel gauge stays off except when full then goes on for a second then straight to off. Also oil pressure says its high gauge only reads 80 and stays around 75 but really responsive to the gas pedal. Also the injectors are out and its smoking white like crazy. Are the injectors and oil pressure related, or are the fuel gauge and oil gauge related?
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Old 12-03-2012, 09:51 AM   eBay Motors  #2 (permalink)
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the injectors are obviously going out so I would get those fixed asap, I personally recomend Brent at Lincoln Diesel Services (Brent@LDS is his user name) and if you arent going to upgrade just get the bosch reman's they are around 1500 I believe, they will stand behind the warranty and exceed your expectations.

As far as your gauge cluster, your stepper motors are going out, it is very common. You can either get a new cluster and have your mileage changed over by a shop that does that, or if you can solder you can order some stepper motors off of amazon pretty cheap and even convert to some lights while you are in there!

Let us know how everything turns out.

And also, I am greatful to be the first to be able to welcome you to the forum! This is by far the best dmax forum!
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Old 12-03-2012, 09:56 AM   eBay Motors  #3 (permalink)
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I am out in New Mexico and I am having troubles finding a good mechanic and half decent price. I would like to put some upgraded ones in there since im breaking the bank anyway. And could to oil pressure being high like that hurt the engine?
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Old 12-03-2012, 09:56 AM   eBay Motors  #4 (permalink)
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I would also recommend Brent at Lincoln diesel not only did he give me a good price on injectors he always answers his phone and is ready and willing to answer any questions

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Old 12-03-2012, 09:57 AM   eBay Motors  #5 (permalink)
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Where is Lincoln Diesel
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Old 12-03-2012, 09:59 AM   eBay Motors  #6 (permalink)
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Not sure of physical location I found them online

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Old 12-03-2012, 10:03 AM   eBay Motors  #7 (permalink)
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I dont think I wanna do them myself everyone has said its a terrible job.
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Old 12-03-2012, 10:03 AM   eBay Motors  #8 (permalink)
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It is in WI
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Purchased 11/15/12: 2004 LB7 CCSB
ATS 4000 Turbo
upgraded injectors
Diamond Eye 4 inch turbo back exhaust
Moog problem solver upper and lower ball joints
Blistein 5100's up front
H2's Michelin 265/70/17 E, Ranch hand front bumper. EFI LIVE by Kory Willis
Purchased parts awaiting install:

AD 165,
Special thanks to:Brent@LDS, mrmanners@Synthetic Motorsports, and Kory Willis@latuning
Jesus loves YOU, Have you asked Him to be your Savior yet?
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Old 12-03-2012, 04:13 PM   eBay Motors  #9 (permalink)
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Quote:
Originally Posted by granaya45 View Post
I am out in New Mexico and I am having troubles finding a good mechanic and half decent price. I would like to put some upgraded ones in there since im breaking the bank anyway. And could to oil pressure being high like that hurt the engine?
Upgraded sticks are not really needed until 600+ wrhp so unless you planning to exceed that they aren't necessary.You'll have a hard time doing that on a stock transmission anyways.
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Old 12-04-2012, 06:30 PM   eBay Motors  #10 (permalink)
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I own two 2001's and both have had a fuel sending unit go bad, so don't assume the gauge is bad on the fuel.

Others can opine about how to determine which is which, I'm sure
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