1998 Ford Contour SE V6 2.5L DOHC

TOMTINA200

MEMBER
1998 FORD CONTOUR

Hello, I would like to get some help before wasting more money. The "check engine soon" light came on and it gave 7 codes 5 pertaining to 02 sensors and 1 for the catalyc converter and 1 for the EGR.I swapped the 2 02 sensors in the car and now I am down to 3 codes but they are P0133 P0141 AND P0136 which they all pertain to the 02 sensors and the 02 heater circuit malfuntion. I check the fuses and yes the fuse on the engine compartment was blown and I replaced it. I went to Autozone again and once again the 3 codes came up the same one' now I am so confused what should I do and what do you think is wrong? Please help and I am up to $150.00 is just two sensors.

5 Replies

CHEVY22

MECHANIC
1,375 POSTS

Hi
the 2.5 has 4 02 sensors two front and two rear, it looks like at least three were malfunctioning and you replaced two
?

Let me know

jim

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Monday, February 26th, 2007 AT 5:31 PM

TOMTINA200

MEMBER
6 POSTS

Thanks for replying to my question, but were exactly on the engine they are located in. Please use relative location ex: before the catalyc converter or close to the water pump etc.I am sorry I am naive when it comes to automotive terms.

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Tuesday, February 27th, 2007 AT 7:21 AM

CHEVY22

MECHANIC
1,375 POSTS

One in each manifold, they are hard to see, look from underneath, jiust follow the exhaust pipe up to the manifold

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Tuesday, February 27th, 2007 AT 2:07 PM

TOMTINA200

MEMBER
6 POSTS

Yes you were right they are located in each manifold. In case someone has a question like mine on same car If they click on the link they will find them very quickly. I found mine. Also do you know what the one in the back of the engine is called? I called Autozone and they claim that I am wrong the car only has 2 O2 sensors. I know it has 4 because I saw them and touched them with my hands. Thanks Chevy II you are the greatest. And also thanks 2car pros.I will make a donation. This is the best website and yes I will help you guys keep this one open for all of us out there that need your help.

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Tuesday, February 27th, 2007 AT 2:14 PM

CHEVY22

MECHANIC
1,375 POSTS

GREAT IM GLAD YOU FOUND THEM, FOR ACTUALLY CALLS THEIRS DIIFERENT NAMES THAN MODT THEY UDE H02S 11 H02S 12 LEFT BANK SHOULD BE 11 RIGHT SHOULD BE 12, BOTH FOR THE MANIFOLD ARE THE SAME ##

THANKS AND GOOD LUCK, OH AND DONT FORGET TO LEAVE ME SOME FEEDBACK, IT SHOWS YOUR APPRECIATION TO US WHO DONATE OUR TIME HERE

JIM