Question about Cars & Trucks
I need to replace my O2 sensor on my 1988 Chevy G20 Van 5.7 350 and am not sure where it's located. I have the part and have been told it's not too difficult to install, I just need to know the specifics. If anyone can help with a diagram or advice I'd really appreciate it!
You'll need to crawl under the van and look at the exhaust pipes before the catalytic converter. You will see it once you take a peek.
Posted on Nov 26, 2012
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Posted on Jan 02, 2017
There are four o2 sensors on this truck. one on each side just below the exhaust manifold, and one on each side behind the second catalytic converters. (just about even with the back of the front doors.
Posted on Jun 18, 2008
Ther are at leat 3 and maybe 4 o-2 sensors in that particular truck...one on each exaust pipe coming down from manifold...and one after convertor on each bank....Pass.side before convertor is bank one,sensor one ..behind convertor is bank one sensor two..drivers side before convertor is bank two,sensor one...behind convertor is bank two sensor two(If equipped with four....scan will tell you which one is bad....good luck..lee
Posted on Mar 28, 2009
o2 sensors are located on the header pipe and on the catalyctic conververter on some vehicles. Spray with wd40 or the like before unscrewing it.
Posted on May 23, 2009
SOURCE: oxygen sensor replacement
you need to rent an 02 sensor socket and use a ratchet and the socket to remove it, there are two on the exhaust pipe one before the cat, you can see it on the exhaust pipe and one after. normally the 1at one goes out. cost $75.00 please rate if helpful.
Posted on Aug 14, 2009
Testimonial: "it was very helpful! thanks"
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