OXYGEN SENSOR/ANTIKNOCK SENSOR

2001 GMC C2500

Tiny

ronstephens1

December, 14, 2010 AT 11:26 PM

Local oil change shop said that I should change all 4 O2 sensors @$569. And take to a place that works on the engine to change antiknock sensor for about $1,200. What is your advice?

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3 Answers

Tiny

hmac300

December, 14, 2010 AT 11:39 PM

If your service engine light isn't on don't bother

Tiny

BMRFIXIT

December, 14, 2010 AT 11:41 PM

1st step should be to check for codes
I am not aware of any recommendation that say that all O2 sensors need to be replace at once
If you can get the codes I will try and get you why you need and about how much it should cost

Tiny

hmac300

December, 14, 2010 AT 11:44 PM

It's also another reason to just get an oil change and oil filter at those type of places as they don'tknow what they are doing other than oil changes.

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