997 Turbo / GT2 2006–2012 Turbo discussion on the 997 model Porsche 911 Twin Turbo.
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Old May 19, 2014 | 08:34 AM
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Did ~ 120 mile round trip yesterday. Modulated the throttle often and in different gears/driving modes. No issues to speak of.
I also brought the VBOX with me but by the time I arrived at the private road to test, the low fuel light was on. With that on and a 100 lb passenger, pulled off a 6.8 60-130. I have to check the slope as I believe it actually was an incline. Not bad for the conditions and straight 93 pump.
 
Old May 19, 2014 | 12:21 PM
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Originally Posted by ecpChris
Did ~ 120 mile round trip yesterday. Modulated the throttle often and in different gears/driving modes. No issues to speak of.
I also brought the VBOX with me but by the time I arrived at the private road to test, the low fuel light was on. With that on and a 100 lb passenger, pulled off a 6.8 60-130. I have to check the slope as I believe it actually was an incline. Not bad for the conditions and straight 93 pump.

Nice did you happen to record the 0-60 or 0-100?
 
Old May 19, 2014 | 12:25 PM
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Originally Posted by Streetgear
Nice did you happen to record the 0-60 or 0-100?
No, I didn't have the opportunity to go from a dig. Due to certain constraints, including the low fuel light just clicking on a minute prior, I only pulled off a 60-130. Was travelling at 52mph and just punched it and let the car shift. Not optimal but wanted to get a gauge on how the car was running. I'll get plenty of data next week at the track though and be sure to post it up
 
Old May 19, 2014 | 12:34 PM
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Originally Posted by ecpChris
No, I didn't have the opportunity to go from a dig. Due to certain constraints, including the low fuel light just clicking on a minute prior, I only pulled off a 60-130. Was travelling at 52mph and just punched it and let the car shift. Not optimal but wanted to get a gauge on how the car was running. I'll get plenty of data next week at the track though and be sure to post it up
6.8 is an excellent 60-130. I am jealous cause in NJ you have good air. I was just checking my flight program and it tells me Newark NJ had a Dense Altitude of -500 ft this morning. Here in Vegas we would be smiling if we had a DA of less than 4000 Ft.these days.
 
Old May 19, 2014 | 02:34 PM
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Originally Posted by ecpChris
Thanks!
On drive by wire t bodies, the blade could be at a different angle than the ecu thinks it is, causing issues like I had. I used to have this problem with watercraft too until I went to standalone ecu. I should have known better
In addition to the engine using throttle body alignment, the PDK also uses it for shifting functionality (the engine and trans must be harmonious in order for the fast shifts to be performed properly). We're very aware of the importance which is why we've programmed throttle body alignment into our handheld program switchers, and into our flashing suites (performed automatically in vehicles that are flashed on site).

Glad to hear that was the culprit!
 
Old May 19, 2014 | 02:35 PM
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Originally Posted by ecpChris
Did ~ 120 mile round trip yesterday. Modulated the throttle often and in different gears/driving modes. No issues to speak of.
I also brought the VBOX with me but by the time I arrived at the private road to test, the low fuel light was on. With that on and a 100 lb passenger, pulled off a 6.8 60-130. I have to check the slope as I believe it actually was an incline. Not bad for the conditions and straight 93 pump.
Time to meet up with Pete!
 
Old May 19, 2014 | 02:40 PM
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I'm ready, doing the track rental with him and his crew actually
 

Last edited by ecpChris; May 19, 2014 at 02:44 PM.
Old Jun 9, 2014 | 09:17 AM
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Round 2

Unfortunately part of the problem crept back up on me but this time I'm getting CEL.
At first I was only getting 2 codes so I thought it was a bad o2 sensor but now I'm getting 5. Thoughts that it is more than one o2 sensor? Car is a 2011 with 6900 miles. Full bolt on with 200 cell cats. Just want opinion before spending $800 replacing all 4 sensors.
 
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Old Jun 9, 2014 | 09:43 AM
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Originally Posted by ecpChris
Unfortunately part of the problem crept back up on me but this time I'm getting CEL.
At first I was only getting 2 codes so I thought it was a bad o2 sensor but now I'm getting 5. Thoughts that it is more than one o2 sensor? Car is a 2011 with 6900 miles. Full bolt on with 200 cell cats. Just want opinion before spending $800 replacing all 4 sensors.
I would think it's highly unlikely that all 4 O2 sensors failed and, in fact, they may be operating quite properly. Two of the codes are for fuel trim deviations, ie improper air/fuel mixture. That would seem to be your main problem and the O2 sensors are probably just reporting it. Figure out and correct why your air fuel mixture is messed up and the O2 codes will likely disappear. You can spend a awful lot of $$ unnecessarily replacing parts if you don't nail the diagnosis correctly. Good luck!
 
Old Jun 9, 2014 | 10:47 AM
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Originally Posted by ecpChris
Unfortunately part of the problem crept back up on me but this time I'm getting CEL.
At first I was only getting 2 codes so I thought it was a bad o2 sensor but now I'm getting 5. Thoughts that it is more than one o2 sensor? Car is a 2011 with 6900 miles. Full bolt on with 200 cell cats. Just want opinion before spending $800 replacing all 4 sensors.
Chris....question, what exhaust are you running on the car?

Does it have spacers for the secondary O2 sensors (out of curiosity)?
 
Old Jun 9, 2014 | 11:42 AM
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I think he is running a tubi with 200 cell cats
 
Old Jun 9, 2014 | 03:19 PM
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Originally Posted by 93ls1rx7
I think he is running a tubi with 200 cell cats
Correct - Tubi sport
I'll check to see if I have the spacers installed when I get home
 
Old Jun 9, 2014 | 05:12 PM
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Originally Posted by Tom@Champion
Chris....question, what exhaust are you running on the car?

Does it have spacers for the secondary O2 sensors (out of curiosity)?
Confirmed Tubi street exhaust WITH spacers for rear o2 sensors
 
Old Jun 10, 2014 | 07:23 AM
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Originally Posted by ecpChris
Confirmed Tubi street exhaust WITH spacers for rear o2 sensors
OK, just checking. I printed out your fault codes and showed it to one of my techs...and the first thing he said was "does he have the spacers installed on the wrong O2 sensors? Or does he have the O2 sensors swapped in the wrong locations. That would definitely cause those faults eventually"...
 
Old Jun 10, 2014 | 11:37 AM
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Originally Posted by Tom@Champion
OK, just checking. I printed out your fault codes and showed it to one of my techs...and the first thing he said was "does he have the spacers installed on the wrong O2 sensors? Or does he have the O2 sensors swapped in the wrong locations. That would definitely cause those faults eventually"...
Thanks for checking Tom
A porsche dealer installed the exhaust but I will verify none of the o2 sensors are swapped this weekend.
 


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