Help with O2 Sensor

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May 16, 2007 | 02:02 PM

linjoye

Thread Starter

New User

Joined: Jul 2006

Posts: 2

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Help with O2 Sensor

How do you replace the upstream O2 sensor on passenger side? I can not get my hand to it to unplug it.

The other three I had no problem. What's the trick?

1999 Ford F150
5.6L / 2WD

May 16, 2007 | 03:14 PM

pronstar

Elder User

Joined: Jan 2006

Posts: 629

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I used a common crescent wrench to change my upstream sensors. It's a bit tight, but you may have larger hands than I do.

May 16, 2007 | 03:55 PM

lariat97

Post Fiend

Joined: Jun 2005

Posts: 7,047

Likes: 2

From: North west La

That one is a PITA to unplug. I finally got mine done with a generous amount of cussing.

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