how do I replace the upper front O2 sensor?

**bxd20** · 10-23-2006 09:34 AM

I got a P1151 error. Searched the current and old forums for info. Seems it's the front upper sensor most likely.

I have read comments saying it's easy to get to. Is the only step to first remove the plastic cover on the front of the engine? Then I can drop a wrench down in there??? I can see it but clearance does seem a little tight. Haven't taken the plastic off yet.

Thanks.

Brian
99 SVT

**projectSHO89** · 10-24-2006 08:30 AM

Get it from the bottom.

Steve

**Tony2005** · 10-24-2006 10:07 AM

Originally Posted by bxd20

I got a P1151 error. Searched the current and old forums for info. Seems it's the front upper sensor most likely.

I have read comments saying it's easy to get to. Is the only step to first remove the plastic cover on the front of the engine? Then I can drop a wrench down in there??? I can see it but clearance does seem a little tight. Haven't taken the plastic off yet.

Thanks.

Brian
99 SVT

Remove the lower radiator air deflector and then the oil filter for more room to swing your 22mm or 7/8 inch open end crescent wrench or O2 removal tool.

**bxd20** · 10-24-2006 10:12 AM

Great info, that's what I needed to know. Thanks guys.

**Tourige** · 10-27-2006 12:53 PM

yea its really easy once the Oil filter is removed.

**Ray** · 10-28-2006 10:00 PM

The Duratec Maintenance (the forum you are IN) FAQ has TWO how-to files on that one.

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