Question about 2000 Chevrolet Silverado 1500

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2000 chevy silverado z71 check engine light will not go off.

We have put 500.00 worth of work in this truck ranging anywhere from replacing computer to check gas cap. some of the codes did indicate o2 sensor, so does that mean we need to replace sensor. I hope you can help because I have to get it inspected asap as it went out in june!! Also should we reset the check engine light would that help long enough to get inspected??

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  • squirrelbob Jul 22, 2008

    what would you do?

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You have to know what the code is that your truck putting out your truck has 4 O2 sensors. the trucks computer is smart and the code will tell you witch one is bad but if you replace just one the next one on the same exhaust pipe will probley go bad so its safe to replace all four. the draw back to replaceing all of them is thay cost about 80 bucks for one ACDelco O2 sensor. It has to be done before it will pass Emissions. not a hard part to change about a 7/8 open end wrench will take it off. have fun.

Posted on Jul 19, 2009

It could be the transmission i found that problem on my silverado. you should have it checked.

Posted on Aug 29, 2008

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Your check engine can not be reset with in 24 hours of a inspection they will know and wont pass it.the O2 sensor is very easy to replace problem is your truck may have up to 3 and it can get expensive

Posted on Jul 22, 2008

  • honky29 Jul 25, 2008

    call a dealer and ask if there is any way of finding out what sensor it is

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To BIGHWEELS197, take your car to AutoZone and have them scan the computer - they'll do it for free, whereas the dealer will charge an hour's labor. Post the codes here and we can determine the problem.

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P0133 O2 Sensor Circuit Slow Response (Bank 1 Sensor 1) - this means that the primary O2 sensor on the bank of cylinders with cylinder number 1 in it is not heating up quickly enough. The heating element is eventually getting it to temperature (it has to be heated up to work) but it's getting to be too long to heat up, which can fail you for cold-start emissions. You'll have to replace this sensor eventually.

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