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Old 08-15-2008   #1
sleepydsm
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Join Date: Jan 2004
Location: Shoreview
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Fuel Cut #3

92 TSI AWD 5spd

The car hits fuel cut. I know it's fuel cut. It even fuel cut on the dyno at the last dyno day. The car stopped hitting FC, found out there was a big boost leak before the maf, once it was fixed it hits FC again. Sounded like one or two smallish boost leaks from the throttle body area also.

I notice when it hits FC the wideband is like at 12.8

WHY does this happen?

Fresh 6 bolt
14B (15psi)
AFPR at stock FP
GM MAF/MAFT in blow through
"fuel cut" switch is "off"
FMIC
255HP
Disconnected FIAV coolant lines
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