TT (Mk1) Discussion Discussion forum for the Mk1 Audi TT Coupe & Roadster produced from 2000-2006

help with Fuel trim numbers

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Old Dec 5, 2005 | 03:52 PM
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Rocky-in-Connecticut's Avatar
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Default help with Fuel trim numbers

2001 Audi TT 225 quattro

anyone know if I have a leak?? It's too cold out for me to try and track down a vacuum leak unless I really have to. Vag Com reports block 32 numbers of (1.5, 9.4)...part throttle number looks out of wack but no CEL is thrown (yet). Anything to worry about? I checked boost numbers block 115 and they look good.

If I do have a leak, it may be that L hose under the intake manifold I suspect.



Monday, 05 December 2005, 19:22:04

VAG-COM Version: Release 504.1-UD



Control Module Part Number: 8N0 906 018 K

Component and/or Version: 1.8L R4/5VT G 0003
Software Coding: 06710
Work Shop Code: WSC 01236
Additional Info: TRUWT28N211024850 AUZ5Z0YN300080

No fault code found.

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Old Dec 5, 2005 | 03:57 PM
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Default If that is a positive>>>

9.4, the software is correcting for a lean condition, not rich. Probably a MAF on the way out....IMO
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Old Dec 5, 2005 | 04:47 PM
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Default forgot to add...

my rear o2 sensor in block 30 was reading 110,
while the front was 111. Is this a problem?
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Old Dec 6, 2005 | 05:07 AM
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RoberTT-WWCD's Avatar
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Default Check block 002 and do a WOT in 3rd...>>

g/sec should be => 170 for a stock 225 (i think). Anyways, anything less than 165 prolly means weak MAF.
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