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Test Pipe Recommendations

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Old 06-29-2011, 09:14 AM
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I heard the O2 sensor is just there to 'see little air movement' and when theres high air movement, it thinks somethings wrong with the cat, so thats why when you get a TP w/ CEL fix, it just pulls the o2 sensor out of the airflow, so it doesnt see much air movement and all is well?

Anyways when I pulled mine to install my wideband, my o2 sensor was completely clogged up from having it in the test pipe for about 30k miles... I didnt clean it off I figure the more clogged it is, the less likely it is to throw a code!
Old 06-29-2011, 10:16 AM
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I am getting the plm test pipe heard it was great
Old 06-29-2011, 01:24 PM
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Originally Posted by GoOn3
just so you are aware.... the "CEL fix" is nothing more than a pipe that pulls the o2 sensor away from the test pipe so it see's less of the exhaust and therefore tricking the o2 sensor. You dont need to pay a ton extra for this "CEL fix" as you can do the same thing with two spark plug defoulers... drill out the top one that will be closest to the diode of the sesnor and then "bam" you have you "CEL fix" for nothing more than 5 bucks, a trip to your local auto parts store, and 10 min of your time!
Yes I know what a test pipe is and I know what the CEL fix is. I should have re-phrased the question. "Does their cel fix work?"



Jim
Old 06-29-2011, 02:14 PM
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Originally Posted by liquid_helix136
I heard the O2 sensor is just there to 'see little air movement' and when theres high air movement, it thinks somethings wrong with the cat, so thats why when you get a TP w/ CEL fix, it just pulls the o2 sensor out of the airflow, so it doesnt see much air movement and all is well?

Anyways when I pulled mine to install my wideband, my o2 sensor was completely clogged up from having it in the test pipe for about 30k miles... I didnt clean it off I figure the more clogged it is, the less likely it is to throw a code!
an o2 sensor does not measure airflow. it measures the O2 content of the gas in front of it. velocity or movement have nothing to do with it. it's just like the other O2 sensor, all that happens is that the readings from the second are compared to the first, and if the difference is not great enough, then it throws a cel.
Old 06-29-2011, 02:38 PM
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I would recommend the J's racing 63mm test pipe which allows you to retain the factory cat heatshield for stealth oem look
Old 06-29-2011, 04:38 PM
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I prefer Berk.
Old 06-29-2011, 09:36 PM
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Originally Posted by jelanier
Originally Posted by GoOn3' timestamp='1309357473' post='20730895
just so you are aware.... the "CEL fix" is nothing more than a pipe that pulls the o2 sensor away from the test pipe so it see's less of the exhaust and therefore tricking the o2 sensor. You dont need to pay a ton extra for this "CEL fix" as you can do the same thing with two spark plug defoulers... drill out the top one that will be closest to the diode of the sesnor and then "bam" you have you "CEL fix" for nothing more than 5 bucks, a trip to your local auto parts store, and 10 min of your time!
Yes I know what a test pipe is and I know what the CEL fix is. I should have re-phrased the question. "Does their cel fix work?"



Jim
It depends on the car, for some reason the o2 sensor on 06' and up is more sensitive. I have the Invidia w/cel fix and 2 foulers on my 06' and never had a problem.
Old 06-30-2011, 01:39 AM
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Switched from a Berk 70mm HFC to a Berk 70mm TP last week. I have an 06 and haven't thrown a code with either.
Old 07-02-2011, 12:25 PM
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Originally Posted by JmanS2k
Switched from a Berk 70mm HFC to a Berk 70mm TP last week. I have an 06 and haven't thrown a code with either.

what kind of differences do you feel between the hfc and the tp? im looking to buy one soon.
Old 07-02-2011, 02:32 PM
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When i had the stock ECU and the Invidia 70mm test pipe (HS00HS1TP3), i bought this CEL Fix (see here) from Blox Racing just for $6.

Never had any problems with the engine light


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