Contour Enthusiasts Group Archives Forums General Troubleshooting o2 sensor questions

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Re: o2 sensor questions #67252 07/28/02 02:41 PM
Joined: Jul 2000 Posts: 1,461 Manassas, VA USA Q qaz Member
qaz Member Q Joined: Jul 2000 Posts: 1,461 Manassas, VA USA	As far as I can tell: The square connectors are for the upstream O2 sensors. The round connectors are for the downstream O2 sensors. The square connectors are unique to the Contour/Mystique...all the other Ford cars use round connectors for all of their O2 sensors. Brian

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