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Old 01-31-2017, 10:29 AM   #1
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O2 sensors?

Quick question, I have P0135, P0141, P0171, and P01131. I've checked fuse 18, and its good.
This means that both my O2 sensors are bad correct?


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Old 01-31-2017, 10:32 AM   #2
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^^^ Really need your own thread in General Tech Chat, where there's a stickie handy to look up each of the codes.
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Old 01-31-2017, 02:56 PM   #3
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Quote:
Originally Posted by Byron King View Post
Quick question, I have P0135, P0141, P0171, and P01131. I've checked fuse 18, and its good.
This means that both my O2 sensors are bad correct?
I can't remember my code it threw but it was only one code and said downstream o2 sensor failed to heat. I used a scanner that links to your phone and then run the app it is called torque. Scanner was 20 bucs and app was 5 bucs. My girl bought it for her 2013 fiesta but works on all vehicles back to 1996.
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Old 02-01-2017, 08:53 AM   #4
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Yeah that's the exact app I use, I'm assuming I'm need O2 sensors, so what's the best to buy? Bosch or OEM?
(Ignore the IMRC codes, I'm in the process of fixing that)
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Old 02-01-2017, 10:09 AM   #5
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Posts moved to General Tech Chat, new thread.
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Old 02-01-2017, 12:37 PM   #6
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Stick with OEM parts for that, Bosch O2s are notoriously not good for SVTFs.
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Old 02-01-2017, 10:19 PM   #7
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Those codes would more likely point to a wiring harness fault (open or short) if they came on suddenly without warning. Have you examined/traced the wiring harness before buying new parts? A curb bump on the front header downpipe can cause collateral damage, for example.
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Old 02-02-2017, 08:54 AM   #8
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They both didn't come on at the same time, and I had my cat off a couple months ago because my oil pan was leaking. Recently I was under it replacing fog lights and I checked all the wiring from the bottom and top. Guess I could get down there with a multimeter and test a few things
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Old 02-06-2017, 10:10 AM   #9
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Watched this data while I was driving it. The first O2 would jump around a lot when the car was moving.
They bad?
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Old 02-06-2017, 11:43 AM   #10
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SVTs tend to bash the O2 sensors up easily based on the way the exhaust runs so low. That could easily make several codes there. You gotta crawl under the car and look.

The first O2 is supposed to jump around and would be bad if it didn't.
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