Dan DiBiase d_dibiase at
Sun Nov 13 12:38:19 PST 2011

I cleaned the MAF today. Car seems to run better but I am going to see over the next few days if
it really is or whether it is just my imagination..... AutoZone would not check for stored codes since
the CEL was not on.

Dan D
'04 A4 1.8Tq MT-6
Central NJ USA

From: Grant Lenahan <glenahan at>
To: Dan DiBiase <d_dibiase at>
Cc: "quattro at" <quattro at>
Sent: Friday, November 4, 2011 10:17 AM
Subject: Re: Stumble

MAF makes sense
Air cleaner definitely not. Higher rpms require more air, so if it was clogged it would progressively bog and/or richen

But the MAF/MCU would compensate


On Nov 4, 2011, at 8:04 AM, Dan DiBiase wrote:

> Thanks for all of the ideas. I will get the codes read this week-end, also will check my air cleaner (been a while since I cleaned
> it out) and also try to unplug the MAF and see if that makes a difference. Did some Googling last night, based on a couple of
> suggestions here, and some stumbling could be a symptom of a dirty MAF. So I have a few things to check out....
> Dan D
> '04 A4 1.8Tq MT-6
> Central NJ USA
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