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Old 04-25-2014, 08:43 AM   #1
Boxster 1999
 
Join Date: Feb 2013
Location: Canada
Posts: 67
Garage
OBD II Codes P0160/P1117/P1121

Hi all,
Last weekend CEL lighted up.
Ran to buy a code scanner.
I got the following codes P0160/P1117/P1121 earlier this week.
Did some research and I have been oriented with the following possibilities
-Issue with wiring of the O2 sensors;
-O2 sensor burned out.

I found the test procedure to check if an O2 sensor is ''kaput'' and might try this this weekend.
Also FYI I did change the IMS bearing and Clutch two weeks back I don't see the link unless we hit something while doing the work. Also I forgot to put back the Cam plugs when I finished the job and realized that after my test drive... (just in case this could have an impact on this)

Anyone can let me kow if I am on the right track? Also I saw that if one O2 sensor is gone change all four
I am having an issue changing something that is still good... (I only do this for IMS berings ).
Thank you in advance
Car is a 99 base
45000 miles
Regards!
Eric
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Old 04-25-2014, 10:12 AM   #2
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PM sent.

Regards,
paul...
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Old 04-25-2014, 03:34 PM   #3
Boxster 1999
 
Join Date: Feb 2013
Location: Canada
Posts: 67
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Replied Paul thanks. I also understand that this need to be taking care of but does not prevent me from using the car. I will probably run a bit more richer than usual but that's about it. Anybody knows? Thanks

Envoyé de mon Nexus 5 en utilisant Tapatalk
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Old 04-25-2014, 03:47 PM   #4
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No need to change all O2 sensors because one is bad. And no need to use Porsche-branded parts.

Interruption of signal - I'd look for something in the wiring pulled loose in your IMS work.
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