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DCHICK

2002 GMC Sierra Oil Level Light

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:cheers: My check engine oil level light (2002 GMC Sierra) is on and won't go out! Oil lvl is fine and psi is 50, resetting procedure in manuall is no help! Ideas?

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:cheers:  My check engine oil level light (2002 GMC Sierra) is on and won't go out! Oil lvl is fine and psi is 50, resetting procedure in manuall is no help! Ideas?

 

 

 

 

Hmm...I would think this would be an EPROM thing. Maybe try taking it to dealer and see if they can reset it through the computer.

 

Thats my best guess.

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The "pump-pedal" reset procedure takes a lot of practice and attempts to get it right ... keep trying!

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The "pump-pedal" reset procedure takes a lot of practice and attempts to get it right ... keep trying!

 

 

 

 

Yeah, but that's for the "Oil Change" reset.

 

I agree with frdfandc, this is either a wiring problem or a defective switch.

 

Find the oil level sender near the rear of the oil pan on the right side. Is the wire connected?

 

If not, connect it. If it is connected then disconnect it. Did that change the status of your oil level warning?

 

Short across the terminals of the disconnected wiring connector. Does that change the status of your warning?

 

If it does, your oil level sender is bad. If not then you have a wiring problem between the sender & your instrument panel.

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