Why is my fuel gauge not working on my Duramax?

Why is my fuel gauge not working on my Duramax?

This wasn’t my only issue and I got pissed and GM got engaged from the GM dealer that sold me the tank. Inevitably we found out from GM Engineering it was the computer trying to re-calibrate due to the mileage driven with no change in fuel level.

What is the GM diesel truck fuel pump defect?

Consumers who own vehicles installed with a Bosch CP4 fuel injection pump may be affected by a GM diesel truck fuel pump defect. What is the GM Diesel Truck Fuel Pump Defect?

Where is the fuel gauge on a Chevy Silverado?

My 2000 Silverado did almost the exact same thing. Bought a new full pump assembly (because the level indicator was part of it), dropped the tank and swapped it out. Problem solved. If you look under your truck, you can see your tank.

Is there a low fuel light on my Duramax?

This dealer actually never resolved my major issues and after going through multiple dealers in Dallas Fort Worth I found that most dealers had no idea what they were talking about. Unfortunately finding a good technician can be VERY difficult at a dealer or non dealer repair facility. Yes the low fuel light comes on.

Where does the fuel gauge come from on a Duramax?

I was in the process of installing an aftermarket gauge when I came across a wiring diagram of the fuel system on the internet (alldata). There are two wires coming from the ecm that work the fuel gauge so I took apart the fuse box to check if I seen anything obvious. It seemed as though all the wires were where they were supposed to be.

How does a transfer pump work on a Duramax?

There is a transfer pump on cab and chassis models, with two tanks– the system is suppose to be computer operated, and move the fuel from the rear tank, to the side tank, as the side tank gets low on fuel.

What is the Dorman number on the fuel gauge?

Today I replaced the electrical connector for the fuel sending unit at the rear tank and it solved the problem. The Dorman part number is 645-668. I hope this information can be helpful to those dealing with this annoying gauge issue.

Why is my fuel gauge not working on my Chevy?

By the way this is a 2004 chevy cab and chassis w/dual tanks. This is a list of what steps I took. Checked fuses cause I was getting no voltage to the sending unit. Went ahead and changed front tank sending unit ($125) still not working. So next was my biggest mistake and took it to the dealer.

When does the fuel gauge go down to empty?

Let me start off by telling you what it was doing. First time i noticed it it stuck on full for about a week then went down to empty. After about a week of being on empty ever since it will show full right after i fill the truck up and seem somewhat accurate to 1/4 of a tank.

What’s the problem with the fuel gauge on my Silverado?

Enter your ride HERE to be a part of this months Ride of the Month Challenge! Recently my 2008 Silverado’s fuel gauge started acting funny. Let me start off by telling you what it was doing.

Why does my gas gauge keep pegging full?

The gas gauge might interpret voltage feedback from a dead sender as FULL or EMPTY, consequently pegging the gauge no matter the actual fuel level. Circuit Problems can cause the gas gauge to stop functioning normally.

This wasn’t my only issue and I got pissed and GM got engaged from the GM dealer that sold me the tank. Inevitably we found out from GM Engineering it was the computer trying to re-calibrate due to the mileage driven with no change in fuel level.

What should I do if my gas gauge is not working?

Note that some self-test steps may stop the gas gauge at 1/4, 1/2, and 3/4, as well. Fuel sender test. The fuel sender test should be conducted when the tank is lower than HALF, to prevent fuel splashing. Start by making sure the plug is clean, dry, and free of corrosion. Make sure the pins are straight and that the connector is fully seated.

Why are the dash gauges on my Chevy Silverado not working?

There are known issues with the gauges on the 03 silverado. Even though the cages appear analog, they are stepper motor controlled by the computer. This is a fancy way of saying digital. Check with the dealer about a recall! Since all gauges appear to have quit at one time I would agree with a previous post that the computer program is flawed.

Why is my Chevy 2500HD oil gauge not working?

04 2500 HD DURAMAX DASH PROBLEMS. Tach works for awhile then stops altogether, will work when I drive the next time. Know my oil gauge is acting up. Checked with GM dealer, they informed me that the warranty on the dash ran out at 70,000mi. (85000) when my problems started. Whole panel has to be replaced. 04 2500 HD DURAMAX DASH PROBLEMS.

My 2000 Silverado did almost the exact same thing. Bought a new full pump assembly (because the level indicator was part of it), dropped the tank and swapped it out. Problem solved. If you look under your truck, you can see your tank.

Let me start off by telling you what it was doing. First time i noticed it it stuck on full for about a week then went down to empty. After about a week of being on empty ever since it will show full right after i fill the truck up and seem somewhat accurate to 1/4 of a tank.

Why does my gas gauge read high when the tank is full?

A functioning sending unit will have a high resistance when the tank is full and a low resistance when the tank is empty. If the gauge reads higher than it should, make sure the wire attached to the electrical terminal on the tank sending unit is making a good ground connection.