OXYGEN SENSORS on 1997 Ford Explorer

I need both oxygen sensors replaced. What is the approximate cost to have this done?

by in Lansing, MI on March 08, 2011
2 answers 6 comments
ANSWER by on March 08, 2011
very odd to have 2 fail at the same time. are you sure?? What were the codes and did you have a real diag or just a code pull. Roy
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COMMENT by on March 08, 2011
I'm not sure since it's my daughters vehicle. Someone she took it to said it was both sensors or it could be the fuel injector but they advised her to start with replacing both sensors. It doesn't sound like she really had it checked out so my best bet would be to take it in and see which it is. However, can you give me an approx cost on each. I would just like an idea of what I may be looking at cost wise is all. All I know is you can see the gas guage go down as you drive it and with gas prices as they are I can't afford to use it. Any info would be helpful. Thank you.
COMMENT by on March 08, 2011
the sensors are about 69 each. the labor is 1.2 hours for both. i really think before replacing them, you should get a real diag from a shop and let them give you a bid. Roy
COMMENT by on March 08, 2011
I'm with you on that one Roy. My daughter said she took it to AutoZone and that's what the code said was either both sensors or fuel injector. It'll be going to the shop that's for sure. Appreciate your time. Have a good one.
ANSWER by on March 08, 2011
Neither the injector nor the oxygen sensors are at fault. You may have a MAF issue, or more likely have a vacuum leak. Especially if you have the 4.0L SOHC V6. Intake manifold o-ring gaskets are very common here. PLEASE do not replace your oxygen sensors without checking it out properly...it's just a waste of your hard earned cash.
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COMMENT by on March 09, 2011
Thank you for the information. I'll definitely have it checked out before just replacing anything. Thank you for your time and information. It's very helpful.
COMMENT by on March 22, 2011
Just wanted to let you know it is the intake manifold o-ring gaskets that is causing the problem. Thank you so much for all the information you and this site has provided. The Explorer is being fixed as I write this. Thanks again!
COMMENT by on March 22, 2011
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