Check engine light is on - oxygen sensors?

Tiny
74U2
  • MEMBER
  • 1996 FORD CONTOUR
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 41,000 MILES
On my Ford Contour the check engine light is on and they say the oxygens ensors are bad I need to find them.
Saturday, November 29th, 2008 AT 6:53 PM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

Replacing an oxygen sensor can be done using simple hand tools.
Your vehicle has 2 oxygen sensors. One before the catalytic converter, in the exhaust manifold. Second one after the catalytic converter.

When you runs the scan for codes it usually tells you which one is bad (or both).

https://youtu.be/vMwTzURWXmk

Here is couple of helpful articles on Oxygen sensors:

https://www.2carpros.com/articles/how-an-oxygen-sensor-works
https://www.2carpros.com/articles/how-to-replace-an-oxygen-sensor

I have attached the replacement procedure for your vehicle.

Please let me know of any questions.

Thank you.
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Thursday, July 29th, 2021 AT 11:05 AM

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