Question about 1999 Oldsmobile Cutlass

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My gas needle is dropping to empty even though I have gas. I took it to Autozone because the check engine light has been coming on and it is reading " fuel tank pressure sensor" code. Could this be the problem or could it be something else?

Posted by Anonymous on

  • Jeff Turcotte
    Jeff Turcotte Jan 02, 2011

    Hi, it may be that some wires are cut back there. Both the level and pressure sensors are at the fuel tank, but in different locations. Inspect the wiring harness from the fuel tank to the front of the car. Repair any damaged wires. If this is not the problem, you may need to replace both sensors.

    The level sensor is integrated into the pump assembly inside the tank. The pressure sensor is mounted on the top of the tank and has green, orange and gray wires. Please let us know if you have more questions, and thanks for using FixYa.

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Hmm. Yes, not the sensor usually. Could be the fuel sender. The computer sees an issue. Have you ever changed the fuel pump module? Do you ever run your gas tank very low? May be time for a new fuel pump module.

Posted on Jan 02, 2011

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Try replacing your gas cap.
A leaking gas cap will not allow proper pressure to build in the tank

Posted on Jan 02, 2011

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