Erratic Fuel Gauge Operation on Chevrolet S10

The fuel level sensor in the fuel tank may fail causing erratic fuel gauge operation. Our technicians tell us that on high mileage vehicles you may wish to replace the complete fuel pump module assembly if this condition occurs.

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Average mileage: 119,153 (65,000–177,238)
9 model years affected: 1990, 1997, 1998, 1999, more2000, 2001, 2002, 2003, 2004
20 people reported this problem
10 people shared problem details
1999 Chevrolet S10177,238
Gauge reads full, then drops to empty, then back to full every 4 or 5 minutes when traveling. Doesn't matter whether there are 3 gallons of gas or a recently filled tank. Haven't found a solution yet.
7 people like thisFlag inappropiate
1999 Chevrolet S10144,000
Upon start-up fuel gauge goes to full then to correct level, then back to full, then bounce back and forth between proper reading and full. Then would read higher than normal unless made a somewhat sharp turn or over rough terrain then would make its way to proper level. Each day worse and worse.
6 people like thisFlag inappropiate
1990 Chevrolet S1075,000
gas gauge reads full all the time... just like my s10 pickup... hmmm
5 people like thisFlag inappropiate
2000 Chevrolet S1099,867
Fuel gauge hasn't worked for years. I just keep track of my mileage. The problem was somewhat fixed by replacement of the fuel injection system. The gauge still isn't totally accurate. Also the low fuel lite comes on when parked in a downhill position.
2 people like thisFlag inappropiate
1999 Chevrolet S10120,000
fuel gauge reads full one minute then empty the next. don't know how much fuel is in the tank
1 person likes thisFlag inappropiate
1997 Chevrolet S10123,500
Level always reads high
1 person likes thisFlag inappropiate
2002 Chevrolet S10168,546
2001 Chevrolet S1083,000
Gas tank is full, but gauge needle drops to empty
2002 Chevrolet S1065,000
This has been an issue for years, but only in Oregon, with DEQ making me fix it do I have to address it. Dealer wants almost $500 to fix it (including labor). Looking for a mechanic to do it for less. What a rip.
2000 Chevrolet S10100,000
Never fixed, sold s10
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