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P-1151 Lack of HO2S21 Switch

Sensor Indacates LEAN

ok now you can see i got the defanition of the problem but the only thing is what and what is this part ?

I'm pulling out my hair trying to figure this out . can anyone please help me ? I went to ford and they want to read the code for 70.00 even though i know whats wrong with it ,autozone gave me the code 1151 off there OBD-2 and i have pep boys telling me my ECU is bad ..

If someone can just tell me what i need to replace to fix this problem i will pay them .


Thanks

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UPDATE, i found out the H02S21 is a O2 sensor , belived to be bank 2 , now i got to fid out if its the upper or LOWER o2 ....

I will keep you updated as this nightmare continues .

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In the cel code list.

Bank 2 upstream oxygen sensor is reading lean.

Check the wire/connections for the sensors. Beyond that, you may need to replace the O2 sensor.

Any further trouble shooting guys?



Must be that jumbly-wumbly thing happening again.
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Thanks a LOT !! i owe ya man !!

Is that the P-1151 code ?

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Originally posted by Top_Flight:
Thanks a LOT !! i owe ya man !!

Is that the P-1151 code ?




Yep, from the CEL code list of the FAQ section of this site. They generally elaborate much more than your $tealership - a great source of info.

BTW, did you do a search for either P-1151 or P1151. I'm sure you'll get a butt-load of more specific help from those posts. Be sure to extend the search back for 6 months or a year or more if needed. Great source of info that SEARCH thing....


Must be that jumbly-wumbly thing happening again.
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Search using P1151 would reveal this thread, as well as others: P1131/1151


98 Mystique LS v6 atx 163,000km 97 Contour LX v6 atx 163,000km

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