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-   -   w201 check engine light code 17 (http://www.peachparts.com/shopforum/tech-help/356609-w201-check-engine-light-code-17-a.html)

lsmalley 06-25-2014 10:54 PM

w201 check engine light code 17
 
Need help. As the title suggests, I am getting a check engine light code 17 which says "O2 sensor is shorted to positive or ground" I have replaced my O2 sensor, but I am still getting the code. Where does the O2 sensor wiring trace to? Does it go to the OVP? Any advice?

JamesDean 06-26-2014 08:50 AM

On mine it went right up into the CIS-E module. Only the heater lines went to the MAS unit. I don't think the OVP is involved.

pawoSD 06-26-2014 03:30 PM

Probably a wiring issue, have you traced the wiring from the o2 sensor connection back to the ECU and verified there's no short?

lsmalley 06-27-2014 02:48 PM

I traced it yesterday, but didn't see anything out of wack.


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