05-11-2012, 09:49 AM
Hmm, not too familiar with the 993tt motor, but I would start with reference sensors. I assume that motor has a throttle position sensor. You may to make sure they are working properly.
Adam
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2001 996 Turbo
1984 911 - Sold
1988 944 Turbo S -Sold
______________________________________
2001 996 Turbo
1984 911 - Sold
1988 944 Turbo S -Sold