b5 s4 running condition please help

kevsip · 05-05-2008, 03:29 PM

hello all i have a 2000 s4 that has a running condition noone can figure out. i have no engine lights turbo's are putting out full boost but yet all the power is not there. audi tells me the car is running perfect as it is but when i accelerate hard the car seems to only have power at early part of throttle can anybody please give me any suggestions PLEASE thanks

**docurley** · 05-05-2008, 04:10 PM

1. Check for air leaks and split pipes
2. MAF's can play up so look at that.
3. DV's are also know to fail so this is another place to look.

Mawhitey · 05-10-2008, 07:06 PM

Do you have VAG-com? It would be useful to log your MAF readings, as i suspect its borderline faulty, so its not showing a code as yet, but giving you poor perfomance

05-05-2008, 03:29 PM	#1 (permalink)
kevsip Newbie Join Date: May 2008 Posts: 1 Gallery: (0)	b5 s4 running condition please help hello all i have a 2000 s4 that has a running condition noone can figure out. i have no engine lights turbo's are putting out full boost but yet all the power is not there. audi tells me the car is running perfect as it is but when i accelerate hard the car seems to only have power at early part of throttle can anybody please give me any suggestions PLEASE thanks

05-05-2008, 04:10 PM	#2 (permalink)
docurley Super Moderator Join Date: Sep 2006 Location: London Posts: 680 Gallery: (6)	1. Check for air leaks and split pipes 2. MAF's can play up so look at that. 3. DV's are also know to fail so this is another place to look. __________________

05-10-2008, 07:06 PM	#3 (permalink)
Mawhitey Member Join Date: Oct 2006 Posts: 31 Gallery: (0)	Do you have VAG-com? It would be useful to log your MAF readings, as i suspect its borderline faulty, so its not showing a code as yet, but giving you poor perfomance __________________ 1.8t conversion : Ko4-15 : Vmaxx Coils : 6 Speed 'Box : SPEC Stage 3 Clutch : S4 Heated Leather : Facelift Console and Shiney paint

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