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post #1 of 10 (permalink) Old 10-17-2017, 07:44 PM Thread Starter
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O2 Sensor Woes

Hi

I've had O2 sensor woes on my Concorde for a several months now and I've been struggling (and spending a lot of money!) trying to get it fixed.

I had an intermittent P0132 error and my indy mechanic identified an O2 sensor as the problem (I believe Bank 1 Sensor 1) which I replaced with an Ultra-Power 2344078. This didn't seem to solve the problem and my mechanic said "you replace one and the problem just jumps somewhere else on the O2 sensor system" so he said it was best just to replace them all, which I did. I got another Ultra-Power 2344078 and also 2 Ultra-Power 2344592 from Rock Auto. These were installed and my mechanic said that the original Ultra-Power 2344078 was registering as bad and so was one of the new Ultra-Power 2344592's so I replaced these with 2 Bosch sensors; a BOSCH 15705 and a BOSCH 13138 (upstream, downstream). Unfortunately, this didn't sort the problem either in fact I got a new engine misfire error (P0300) to add to my woes!

All these components came from Rock Auto.

My mechanic said he thought it might be a problem with the catalytic converter so I replaced that too (by a guy who is superb with exhausts) with an Eastern Catalytic converter also from Rock Auto (the original didn't really look too bad when removed). But this still hasn't solved my problem. The P0300 has gone, but I still have a P0132, a P0152, a P0157 and a P0161 engine fault and frankly I'm pretty much at my wits end over this and wondering if anyone can give me some clues as to what can be going wrong? I've gone through 6 sensors and a cat and I'm no further forward and several hundred $ down trying to solve this problem! My exhaust guy said that Chryslers only like either OEM or Bosch, so I'm wondering if the remaining 2 upstream and downstream Ultra-Power sensors are my problem.

Thanks for any suggestions...

Pavesa
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post #2 of 10 (permalink) Old 10-18-2017, 05:14 AM
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Oh crap!

Aftermarket O2 sensors, especially Bosch, will not work on our cars. There's a video that's been posted that explains why. It's a mystery how companies can list an application for a part which is grossly incompatible for as long as our cars have been around. Some of these companies seriously have their heads up their butts!

Put good OEM, NTK, or Denso O2 sensors *only* - nothing else - in it, and if a sensor was your original problem, that should fix it.

Last edited by peva; 10-18-2017 at 05:16 AM.
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post #3 of 10 (permalink) Old 10-18-2017, 06:10 AM Thread Starter
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Thanks Peva, yep, oh crap, but I really appreciate the guidance...
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post #4 of 10 (permalink) Old 10-18-2017, 11:11 AM
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Should also replace the O2 sensors in pairs especially when they're that old.

Both upstream or both downstream depending on which one acts up first.
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post #5 of 10 (permalink) Old 10-18-2017, 05:46 PM Thread Starter
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Hi Ronbo, thanks for the advice.

Is there any view on which is better, the NTK, or the Denso O2 sensors? After all this hassle, I'd really like to buy the better ones..

Thanks..
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post #6 of 10 (permalink) Old 10-18-2017, 06:04 PM
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NTK and Denso are the same company. And that company supplies the OEM sensors.
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post #7 of 10 (permalink) Old 10-18-2017, 07:30 PM Thread Starter
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Hi Ronbo, thanks for the info. Cheers..
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post #8 of 10 (permalink) Old 10-20-2017, 12:00 AM
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No Bosch!


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post #9 of 10 (permalink) Old 11-11-2017, 03:11 PM Thread Starter
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Hi

I got a set of NTK sensors - engine light off, no issues. Thanks for the guidance!
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post #10 of 10 (permalink) Old 11-11-2017, 03:17 PM
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Another LH repair success story!
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