Help with Throttle & Lean Codes - Page 2

11-09-2022, 09:36 PM

#15

KingLT1

Drives: 2016 1SS NFG A8

Join Date: Aug 2017

Location: 46804

Posts: 6,800

Quote:

Originally Posted by PeteSS2018

Problem solved ....

The good old piece of hose to the hear and listening around all the vacuum lines...

Turns out the low vacuum bypass actuator diaphragm on the supercharger is torn, so was leaking vacuum at idle. Have temporarily plugged the vacuum line and long term fuel trims are back to 6 or 7% on idle.

Thanks KingLT1 and others for comments.

__________________

2016 NFG 1SS A8
Options-2SS Leather/NPP
Perf. mods-Whipple 2.9/Fuel System/Flex Fuel/103mm TB/Rotofab Big Gulp/Cat Deletes/Corsa NPP
Per. times- 10.5 @ 137 w/ 1.8 60ft Full weight on 20's 1200DA

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