Service Engine Soon light
60

Asked by Guru58PKG Jan 28, 2018 at 11:45 AM about the 1999 Chevrolet Silverado 1500 LS Extended Cab 4WD

Question type: Maintenance & Repair

I had 2 codes on my 1999 chevy silverado, gas cap
(replaced) and O2 sensor (replaced). Was told to
disconnect battery for 15 to 20 minutes to clear
codes. When I reconnected the battery the light
immediately came back on. Any suggestions?

3 Answers
60

Guru58PKG answered 7 years ago

It was PO135. Also, when I went to change the O2 sensor, I found it was not tight. Was able to remove by hand. I went ahead and replaced since I already had the new one in hand.

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60

Guru58PKG answered 7 years ago

Well I'll give it a couple days and see what it does. Thanks for taking the time to answer.

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Your Answer:

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