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Old 12-06-2008, 06:24 AM   #1 (permalink)
 
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Default code P2096- wtf

Last night, while crusing home, under no boost at all, the cel came on, cruise started blinking, and I scanned the car and got the following via my ap.

P2096-post catalyst fuel trim system too lean bank 1.

Any ideas?
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Old 12-06-2008, 08:13 AM   #2 (permalink)
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Are you running an after maket DP? I imagine you are. I used to get it all the time and now I only get it once every few months. It's no big deal. I even have the CEL fix, but sometime the code sneaks by.
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Old 12-06-2008, 09:54 AM   #3 (permalink)
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I got that CEL when I didn't have the rear o2 sensor installed...
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Old 12-07-2008, 04:54 AM   #4 (permalink)
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Jorge thinks its another boost leak.
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Old 12-08-2008, 10:24 AM   #5 (permalink)
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Quote:
Originally Posted by TunerGirl View Post
Jorge thinks its another boost leak.
That doesn't make any sense to me. Boost leaks would cause you to run rich. Vacuum leaks would cause you to run lean.

The CEL claims to be too lean.

Datalog your MAF corrections. If your MAF corrections are all over the place (some +25% and some -25%), you probably do have a boost leak.

I have known holes in my turbo inlet, leaks in my manifold-tgv gasket, and my MAF corrections aren't even that bad. And I don't get that CEL.
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Old 12-08-2008, 02:09 PM   #6 (permalink)
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Quote:
Originally Posted by thefoos View Post
That doesn't make any sense to me. Boost leaks would cause you to run rich. Vacuum leaks would cause you to run lean.

The CEL claims to be too lean.

Datalog your MAF corrections. If your MAF corrections are all over the place (some +25% and some -25%), you probably do have a boost leak.

I have known holes in my turbo inlet, leaks in my manifold-tgv gasket, and my MAF corrections aren't even that bad. And I don't get that CEL.
Will do, and thanks for the idea
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Old 12-08-2008, 02:58 PM   #7 (permalink)
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before you beat your head against a rock too much further ...even a Cobb stage 2 OTS map has that code disabled...rear O2 codes are almost a certainty when you are running aftermarket CATs or none at all...

just disable any codes associated with the rear O2 sensor and go on with your day
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Old 12-08-2008, 05:24 PM   #8 (permalink)
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Quote:
Originally Posted by a6n6d6y View Post
before you beat your head against a rock too much further ...even a Cobb stage 2 OTS map has that code disabled...rear O2 codes are almost a certainty when you are running aftermarket CATs or none at all...

just disable any codes associated with the rear O2 sensor and go on with your day
I second that...
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Old 12-08-2008, 05:46 PM   #9 (permalink)
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This was the reason I bought an obdII code reader. The autozone guys were getting a little annoyed from having to clear my p2096 codes, haha.
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Old 12-08-2008, 06:02 PM   #10 (permalink)
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a6n6d6y, when you say disable them do you mean to just clear them?
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Old 12-08-2008, 06:04 PM   #11 (permalink)
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Quote:
Originally Posted by a6n6d6y View Post
before you beat your head against a rock too much further ...even a Cobb stage 2 OTS map has that code disabled...rear O2 codes are almost a certainty when you are running aftermarket CATs or none at all...

just disable any codes associated with the rear O2 sensor and go on with your day

being im dyno tuned, wouldnt the tuner do that?
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Old 12-08-2008, 08:40 PM   #12 (permalink)
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Quote:
Originally Posted by StealthyScooby View Post
a6n6d6y, when you say disable them do you mean to just clear them?

no, when you flash a MAP to a car there is the ability to enable or disable the ECUs ability to set a CEL for most of the parameters that warrant them

it's a simple matter of unchecking a box


Quote:
Originally Posted by Tuned200 View Post
being im dyno tuned, wouldnt the tuner do that?
they should have IMO.....I am a bit surprised that P&l would send you out the door with such a simple issue...but you're not the first
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Old 12-10-2008, 01:16 PM   #13 (permalink)
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snap!! so then its an map flash verses my obd II reader clearing it... :-\
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Old 12-10-2008, 02:00 PM   #14 (permalink)
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i am planning to datalog the car one night this week, or heck, maybe this weekend,
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Old 12-10-2008, 02:14 PM   #15 (permalink)
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Quote:
Originally Posted by Tuned200 View Post
being im dyno tuned, wouldnt the tuner do that?
When I originally tuned myself, this was the one code I missed. It would only pop up every 200-300 miles...
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