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 Old 01-13-2020, 10:10 PM   #1
 
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Default Broken Vaccum Line

I broke the vacuum like from my turbo inlet to my engine or where ever that small vacuum line goes on the back side near the turbo and i was wondering if that part is something i buy or do i buy vacuum line and cut a new one at the same length...?
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 Old 01-14-2020, 07:40 AM   #2
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That line goes to your EBCS. You're probably going to break the nipple on the EBCS when you try and connect a new line to it, so be super careful. The plastic nipple is shitty and brittle. You can just buy vacuum line and cut it to length though.
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 Old 01-15-2020, 06:09 PM   #3
 
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Originally Posted by Vansquish View Post
That line goes to your EBCS. You're probably going to break the nipple on the EBCS when you try and connect a new line to it, so be super careful. The plastic nipple is shitty and brittle. You can just buy vacuum line and cut it to length though.
So i have replaced this and the issue is still present. Anyone in Sacramento, CA that can help me check for a boost leak?
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 Old 01-15-2020, 07:10 PM   #4
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What issue are you trying to solve? All you said is that you have a busted vacuum line.
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 Old 01-15-2020, 08:23 PM   #5
 
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Sorry must have been a different thread.

When my car is on more than half throttle it will even out whatever RPM it is at and start to buck, almost like its hitting the fuel cut-off. This happens in 1st at 5k happens in 3rd at 2k, gear and RPM do not matter. Originally I thought it was this boost line but that was not the case. No engine codes are thrown. Was running stage0-1-2 all have same issue with 2 being the least bad of the 3. New spark plugs and ignition coils gapped to .028. I am out of Ideas after my O2 sensor tomorrow so throw those suggestions into the ring!
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 Old 01-16-2020, 06:14 AM   #6
 
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what is your boost level ? are you boosting above boost cut setpoint because the vaccuum line is'nt sending air to wastegate ? if it would be the vaccuum on the other side of your EBCS, it would overboost. Or is your turbo pill hole blocked and there is no air coming from there to fill the wastegate to open ?

you need to list your mods and a best is a datalog
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 Old 01-16-2020, 06:41 AM   #7
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Yeah, what he said. ^^^

Post datalogs of your problem. Make sure you include:

Accelerator Pedal Position
Actual AFR
Boost (psi)
Boost Air Temp
Calculated Load
Coolant Temp
HPFP Actual Pressure
Inj. Duty Cycle
Intake Temp
Intake Valve Adv.
Knock Retard
Long Term Fuel Trims (LTFT)
MAF Voltage
MAF Airflow
RPM
Short Term Fuel Trim (STFT)
Spark Advance
Throttle Position (not throttle duty cycle)
Vehicle Speed
Wastegate Duty
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Last edited by Vansquish; 01-16-2020 at 12:17 PM.
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