"How To" Snow Stage 3 meth install on a 13 Eco

[azazell64]

I just went out to snap some pictures of the nozzle setup and noticed there was a tube off... I'm not exactly certain on its purpose but I'm hoping one of you guys will know. I have no idea how long this has been off for as it is a barbed fitting so I didn't think of having to put a gear clamp on it. See attached pictures. When I get a minute here I plan on going for a test drive and see what the tube being reinstalled has cured. See attached links. I'm not sure if the images will be imbedded as I'm new to this site. Thanks again for the help

[SHOdded]

That hose is known affectionately and officially as the "RH compressor bypass valve hose", and connects the turbocharger intake tube assembly to the RH CAC tube.

[azazell64]

Sorry to ask, I'm fairly new to the TT world. Is what you're saying about the CAC (charge air cooler?) hose that came off is that it's not that detrimental to normal vehicle operation? Thanks again for the help guys.

[sholxgt]

If nothing else, it's creating a boost leak.  Seems to me the line either needs to be replaced or that barb capped if the line was removed for another reason.

[AJP turbo]

Put that hose back on that barb asap!....that is for the boost solenoid..thats why your car is surging and bucking

[azazell64]

Oh absolutely, I did immediately. I'm not certain how that would have come off of the barb but I will definitely be finding a gear clamp to remedy that from happening again. I am going to grab a clamp asap here and I'll report back on the test drive. I appreciate all of the help you guys have provided me.

[azazell64]

Well, there you have it, a $1.00 gear clamp making all the difference in the world... That seems to have cured it. Thanks to all that have chimed in. I'm now going to fill up the water/meth and play around now that she's back to her normal self. Thanks guys.

[SHOdded]

Awesome!  Have tons of fun, and remember to post a few datalogs along the way

[azazell64]

I'll try to get some logs tonight. Any specific parameters you guys would like to see?

[SHOdded]

I think FoMoCo and AJP can elaborate best on the parameters, but this is normally what people use with an SCT device:

Time (sec)   
ambient air temp F|1|224|10|0   
barometric pressure|1|224|73|0   
battery voltage|1|224|33|0   
charge air cooler temperature|1|224|17|0   
engine coolant temp F|1|224|10|0   
fuel pump duty cycle|1|224|6|0   
fuel pump percentage|1|224|6|0   
fuel rear pressure|1|224|59|0   
gear commanded|1|224|71|0   
intake air temp|1|224|17|0   i
ntake cam position desired|1|224|79|0   
knock Sensor|1|224|79|0   
lambse bank 1|1|224|97|0   
lambse bank 2|1|224|97|0   
line pressure kPa|1|224|73|0   
load|1|224|98|0   
load absolute|1|224|98|0   
long term fuel trim bank 1|1|224|86|0   
long term fuel trim bank 2|1|224|86|0   
manifold absolute pressure kPA|1|224|73|0   
manifold absolute pressure volts|1|224|33|0   
measured afr bank 1|1|224|97|0   
measured afr bank 2|1|224|97|0   
rpm|1|224|29|0   run time|1|224|56|0   
short term fuel trim bank 1|1|224|6|0   
short term fuel trim bank 2|1|224|6|0   
spark advance|1|224|79|0   
spark advance v2|1|224|79|0   
throttle angle Actual|1|224|79|0   
throttle angle desired|1|224|79|0   
throttle position absolute|1|224|6|0   
throttle position relative|1|224|6|0   
tip prs boost kpa|1|224|73|0   
tip prs boost kpa dsd|1|224|73|0   
torque source|1|224|71|0   
turbo wastegate percentage|1|224|2|0   
vehicle speed mph|1|224|74|0

What will you be using to log?

[azazell64]

I'll be using the xcal4 with the associated sct software.

[FoMoCoSHO]

I can send a handy config file when I get home from work.

[azazell64]

Hey, that would be awesome if you can send a config file. I have the one from Torrie but if anyone would like to see anything else we can add that. It still has a little surging but its infinitely better than it was. It has always wanted to surge a bit since new... I'm not really sure why. The BOV's seem to be set at such a low pressure that they trip rather easily with the aftermarket tune and the pedal response/sensitivity.

[FoMoCoSHO]

Check your email I sent it last night....

[azazell64]

Hey there, I looked through my email and haven't been able to locate the config file. I checked in the spam filter as well and haven't seen it there either. Would you mind sending it again?

Thanks.