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Old 11-09-2019, 02:47 AM   #1
jtblckmaro
 
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Vacuum Diagram

Trying to track down a suspected vacuum leak, anyone got a vacuum diagram available? Google only showing radiator hose diagrams and wiring.
BTW, I say suspected because it's throwing p0171 and p0174 after CAI, Headers, and Tune. Pretty reputable tuner so I want to make sure there's no leaks before making the drive to see him again.
TIA
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Old 11-09-2019, 07:17 AM   #2
Tricksta


 
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Quote:
Originally Posted by jtblckmaro View Post
Trying to track down a suspected vacuum leak, anyone got a vacuum diagram available? Google only showing radiator hose diagrams and wiring.
BTW, I say suspected because it's throwing p0171 and p0174 after CAI, Headers, and Tune. Pretty reputable tuner so I want to make sure there's no leaks before making the drive to see him again.
TIA
P0171 code is for Fuel Trim Bank 1 Lean
P0174 code is for Fuel Trim Bank 2 Lean

Considering you just had headers and a tune done, You are likely looking at an issue with your 02 Sensors.

I don't have the 6th gen vacuum diagrams unfortunately.
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Old 11-09-2019, 07:39 AM   #3
Gunkk
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Exhaust leaks can do this too.
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Old 11-09-2019, 09:08 PM   #4
Dixie ZL1
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Quote:
Originally Posted by jtblckmaro View Post
Trying to track down a suspected vacuum leak, anyone got a vacuum diagram available? Google only showing radiator hose diagrams and wiring.
BTW, I say suspected because it's throwing p0171 and p0174 after CAI, Headers, and Tune. Pretty reputable tuner so I want to make sure there's no leaks before making the drive to see him again.
TIA
Did they install a catch can?
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Old 11-10-2019, 07:39 AM   #5
jtblckmaro
 
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Quote:
Originally Posted by Dixie ZL1 View Post
Did they install a catch can?
No on the catch can.
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