[Shellfish]

I have a 1990 gmc 4x4 it has a 350 engine and I need to reset the service engine light can some tell me how tp reset it?

 

[Ravine]

It's OBDI, you need to fix the cause.

 

[BOO5TED]

Put black electrical tape over it.

 

[zrxkawboy]

You can "reset" it by disconnecting the battery, but like Ravine said, it's on for a reason.

 

[Bonecollector02]

It's probably your o2 sensor that's shot, have you tried scanning it to figure out what the problem is?


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[kids-at-711]

Just need a paperclip and the ability to count.