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  #13  
Old 08-07-2014, 01:27 PM
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Re: Scanguage2 XGuage codes for EGT

Excellent. Anyone using a BT adapter permanently plugged in may want to test your adapter to make sure it won't pair with another device after it has been plugged in a while. There are apps that can be used by thieves to unlock and start your car if they gain access to your ODB2. My adapter will only pair within the first two minutes after it is plugged in. Yours should be the same but, if you have access to a second phone, a quick test will let you sleep better at night!
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Old 08-07-2014, 02:40 PM
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Re: Scanguage2 XGuage codes for EGT

Thank you for that heads-up, I will test it with my wife's phone tonight.
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Old 08-12-2014, 01:43 PM
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Re: Scanguage2 XGuage codes for EGT

Quote:
Originally Posted by ExcursionDiesel View Post
What we have so far....

EG1 (Highest at manifold)

EGT 1 (Degrees Fahrenheit)
TXD: 07DF0178
RXF: 054106780000
RXD: 3810
MTH: 00090032FFD8
NAM: EGT


EGT 2 (possibly DPF or CAT?)

EGT 2 (Degrees Fahrenheit)
TXD: 07DF0178
RXF: 032100000000
RXD: 2010
MTH: 00090032FFD8
NAM: CAT


EGT 3 (Possibly DPF or CAT?)
EGT 3 F
TXD: 07DF013C
RXF: 0441053C0000
RXD: 2810
MTH: 00090032FFD8
NAM: DPF
Thanks for providing these codes! Just put in your EGT codes into my SG2 and it works. Just wondering where did you get those codes from since I can't find any reference to them online or on SG's website. The temps vary wildy from 300 all the way to 1000 under normal city driving conditions jumping up as fast as they fall down and so on. I was using the codes from SG's website referencing Catalyst B1S1 for awhile and that is a lot more stable and temps don't show as high. How many temp references do we have in our exhaust stream?

edit:
Just payed more attention to this afternoon's driving. There are times that the EGT is lower than the B1S1 number, shouldn't the EGT always be hotter than B1S1? B1S1 seems to creep up during idling.
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Old 08-12-2014, 04:41 PM
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Re: Scanguage2 XGuage codes for EGT

I got the codes directly from Scanguage support. There are 3 temperatures I outlined in this thread a few post back.

1. EGT somewhere close to the manifold. The sensor location could be before or after the turbo. This is the most reactive and dynamic with fast changes that indicate immediate load conditions.

2. DPF temperature. I assume this is a sensor internal to the DPF. It will read higher than the EGT under light loads when a Regen is in process, otherwise it reads lower than EGT and reacts slower.

3. CAT temperature. This is from a sensor in the catalytic converter and is the slowest to react. It will read nearly the same as DPF under regen but otherwise is the lowest of the 3 sensors since it is farthest from the manifold.
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  #17  
Old 08-12-2014, 09:06 PM
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Re: Scanguage2 XGuage codes for EGT

Quote:
Originally Posted by ExcursionDiesel View Post
I got the codes directly from Scanguage support. There are 3 temperatures I outlined in this thread a few post back.

1. EGT somewhere close to the manifold. The sensor location could be before or after the turbo. This is the most reactive and dynamic with fast changes that indicate immediate load conditions.

2. DPF temperature. I assume this is a sensor internal to the DPF. It will read higher than the EGT under light loads when a Regen is in process, otherwise it reads lower than EGT and reacts slower.

3. CAT temperature. This is from a sensor in the catalytic converter and is the slowest to react. It will read nearly the same as DPF under regen but otherwise is the lowest of the 3 sensors since it is farthest from the manifold.
awesome, yeah it's freaky seeing the EGT number spike up to 1300 at times then immediately drop to 500. I'm guessing it's the temp of the air passing through, but I sure hope the metals surrounding the area can consistently deal with such huge sweeps in temps.

do you know what the max boost is on our cars? can't seem to find data on that. I've seen it go as high as 19 so far.

too much data and not enough information can be just as dangerous! LOL
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Old 08-13-2014, 03:11 PM
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Re: Scanguage2 XGuage codes for EGT

So got a reader and pulling the code:

P20EE




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  #19  
Old 08-13-2014, 10:51 PM
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Re: Scanguage2 XGuage codes for EGT

Quote:
Originally Posted by frydryce View Post
awesome, yeah it's freaky seeing the EGT number spike up to 1300 at times then immediately drop to 500. I'm guessing it's the temp of the air passing through, but I sure hope the metals surrounding the area can consistently deal with such huge sweeps in temps.
Most modern turbos can operate with 1200F maximum continuous EGT. Instantaneous EGT can go much higher for several seconds. Diesel performance people are running 1500+ through the quarter mile and when competition pulling without melting impellors. Running hard with a tuner while towing will eat up a turbo quickly.
Quote:
do you know what the max boost is on our cars? can't seem to find data on that. I've seen it go as high as 19 so far.
I've not seen over 19-20 stock and 22 with a Bluespark Pro+Boost tuning box.
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