Erratic Fuel Gauge Operation on Chevrolet Express 1500

It is common for the fuel level sensor in the fuel tank read the fuel level incorrectly. The sensor must be replaced to correct the condition. Our technicians recommend having the complete fuel pump module replaced on high mileage vehicles.

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Average mileage: 100,333 (20,000–170,000)
Electrical & Lights affected: Gasoline
9 model years affected: 2000, 2001, 2002, 2003, more2004, 2005, 2006, 2007, 2008
30 people reported this problem
15 people shared problem details
The fuel gauge will tremer and jump all over.
Bought my friends 2000 Chevy 1500 express conversion van with 6,000 miles in 2011. Fuel pump went without warning on trip to Florida. Had about 18,000 miles on it. Left me stranded with family with $1200 repair. I ran out of gas two weeks ago. I thought I had forgotten to fill up. Ran out of gas last weekend again on a road trip and fuel gauge showed 3/4 tank.I filled tank and gauge moved to full. Now its moving from 1/2 to 3/4 as I drive. Fuel pump still working but I have to replace sending unit attached to fuel pump.I have 37000 miles on the vehicle now.
what a nightmare
I haven't gotten it fixed yet I found out about it after driving and running out of gas while I had a full tank supposedly very inconvenient I also just had my flywheel changed and I don't know if that has anything to do with it and anyway but it did happen after the
Have same prob., not fixed yet.
Have not fixed this issue. We just know when the van is parked on an incline the gauge shows less gas than we have. And when it's parked facing downhill it will show more gas than we really have.
After filling the tank, the fuel gauge drifted around 1/2 full. It would work for the last half of the tank. About one month later, it went to empty and has stayed there. I use the trip indicator as my gas gauge.
Erratic fuel level gauge. Replaced fuel pump assembly. Fixed it.
Gas gauge fluctuates from full to empty. I've ran out of gas several times not knowing how much is in the van. Gas gauge won't go past half a tank.
Gas gauge needle swings from full to empty. Also, stalling and not starting. Shop diagnosed problem; fuel pump. Replaced it and problem solved. $750.
I think I had ran my gas to low after my gas light went on. Would that cause my fuel sensor to go out? So now when I put gas in, the fuel gauge fluctuates up and down and I never know how much fuel I have.
Two fuel pumps replaced in 2 years.
Fuel level reading behaved very erratically. Would read empty most of the time, but would occasionally jump to non-zero level. Replaced the fuel pump assembly in the gas tank and the gauge now registers the correct fuel level.
Ran out of gas because fuel level sensor was faulty. Fuel gauge read quarter tank when empty.
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