Mechanics

OXYGEN SENSOR/ANTIKNOCK SENSOR

2001 GMC C2500 • V8 2WD Automatic • 158,000 miles

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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Ronstephens1
December 14, 2010.



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

Hmac300
Dec 14, 2010.
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
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BMRFIXIT
Dec 14, 2010.
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.

Hmac300
Dec 14, 2010.

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