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Are there any problems with the C5 fuel gauge?

Are there any problems with the C5 fuel gauge?

There have been many, many, many reports of fuel gauge problems in the C5. They show up in a lot of C5s built from 1997 to 2002. The problems usually show up when it is less than half full, either the fuel gauge makes a dive for the empty mark when there are still 3-4 gallons left or it sticks at a quarter full even when there is nothing left !

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.

What are the parts of a gas gauge?

The gas gauge system can be broken down into three basic parts: gauge, sender, and circuit. A fault in one or more of these parts will lead to gas gauge failure. The sending unit is usually part of the Fuel Pump Module : a combination of parts that includes the fuel pump, fuel strainer, fuel filter, and fuel float.

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.

There have been many, many, many reports of fuel gauge problems in the C5. They show up in a lot of C5s built from 1997 to 2002. The problems usually show up when it is less than half full, either the fuel gauge makes a dive for the empty mark when there are still 3-4 gallons left or it sticks at a quarter full even when there is nothing left !

Why is my gas gauge not working on my Corvette?

Fuel gauge was working fine when I purchased the car a couple of months ago, filled it up a week ago, showed less than 1/2 a tank on the gauge, the dealer acknowledged a problem with the sensor.- They need the car one week for the fix – They need to remove the transmission and the tanks to get at the sensors/pumps.

What to do if your fuel gauge is erratic?

In cars built before 2001 the answer seems to be to replace the fuel tank senders on both the right and left tanks. This didn’t work for everyone though. The next solution GM came up with was to recalibrate the fuel system via software which again solved some but not everybody’s problems.

Why does my gas gauge read 1.2 full?

A reset of CEL would allow fuel gauge to read 1/2 full when completely full. When fuel dropped below 1/2 tank the gauge would then show correct fuel level. Apparently it was reading the drives side fuel tank only. Passenger side sending unit is what usually fails. Had to perform the CEL reset frequently.

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Ruth Doyle