1999 Pontiac Grand Am Change Oil Light Fix

1999 ALL OTHER MAKES ALL OTHER MODELS
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GMBROWNSR
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My 1999 Grand Am V6, auto, 60K, will not turn off the change oil light. Per the manual you push the [RESET] button in the fuse box by the driver's door. I follow the instructions to the letter but the light will not reset. I've tried disconnecting the battery with no luck. Any thoughts ?
Jul 11, 2006 at 2:53 AM
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XOWEY
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how long did you hold the button down.................sometimes it feels like forever.........hold it down for a minute and see what happens.............you did have the key turned on, right?
Jul 15, 2006 at 4:58 PM
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GMBROWNSR
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I held the reset button down for 90 seconds. No change. It's as if I didn't push the button at all. Yes, Key in the "on" position without the engine running.
Jul 17, 2006 at 1:21 AM
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SERVICE WRITER
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Try this:
Turn the ignition key to the on position, within 5 seconds press the accelerator pedal 3 times.
Jul 25, 2006 at 11:57 AM
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GMBROWNSR
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Thanks for the advise but....... it didn't work. I know that is the procedure for some models and I tried it before. But I gave it another try.

Any possibility of a sensor sending a false signal or a way to re-boot the computer?

Still looking for a solution.
Jul 25, 2006 at 3:31 PM
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SERVICE WRITER
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I thought maybe it was a split year and that might work.

I'm sure you did this, but recheck anyway:
1-turn ignition to on position, engine off
2-press and release
the reset button.
3- light should be flashing
4-press and hold rest button until audible sound is heard,then release.

You probably did this and it still doesn't work. If true,
you need access to a scan tool-not a code reader.
Check for codes. If any codes are present, trouble shoot them. IF not,
You need to perform the instrument cluster system check, if okay then
slect instrument panel cluster, special functions, lamp test and command the indicator light on and off.
If it didn't work, replace the instrument cluster.
Jul 27, 2006 at 6:10 AM
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GMBROWNSR
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When I hold the [RESET] button it does not flash.

I also have a problem with the fuel gage. I'm sure that problem is with the sending unit in the gas tank. If time permits this weekend I will be replacing the fuel pump & sending unit.

I'll try the scan tool.

Thanks
Jul 27, 2006 at 7:39 AM
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SERVICE WRITER
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Part of the cluster test shows testing the gauge. Just my 2 cents, but I'd go after the cluster test first. It's a lot of work to replace the sender, especially if the problem is with the cluster.
Jul 27, 2006 at 9:11 AM
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GMBROWNSR
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Here you go... After lots of checking it was the [RESET] switch. It pulls out like a fuse, $3.95 for a new one and it's good to go.

Thanks everyone for your advice.
Greg
Aug 7, 2006 at 2:59 AM

Suggested Repair

Replace the oil-life RESET switch in the driver's-side fuse box; it pulls out like a fuse. Confirm the key-on reset procedure first. If a new switch does not work, scan for codes and test the instrument cluster before replacing the fuel sender.

Conversation Summary

A 1999 Pontiac Grand Am's change-oil light would not reset using the fuse-box RESET button, even with the key on and a long press, and disconnecting the battery did not help. An expert suggested the accelerator-pedal reset method, then the proper press-and-hold procedure, followed by a scan-tool check and instrument-cluster lamp test if needed. The owner also had a fuel-gauge issue, but the expert advised checking the cluster before replacing the tank sender. The owner later found the RESET switch itself was faulty; a low-cost replacement fixed the light.

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