2413 Code

[Larry C Leung]

Don't run the K&N without oil. It won't filter. If you have MAF problems,
switch back to OEM paper. Not being fortunate enough to have a MAF (just
mass flow sensor plate), I'm not really stuck in your situ. Personally,
I'd go to paper filters.

LL - NY

On Tue, 16 Oct 2001 23:20:08 -0400 "Levent Cur" <leventcur at ameritech.net>
writes:
>Well I took it to the audi dealer, they did pressure test and found 
>none
>of the hoses to be loose at all. Do u have a K&N filter? They told me
>that the oil can build up onto the MAF wires and cause a false 
>reading,
>so far all day today after I cleaned the MAF wires with alcohol, it
>seems better, but can't really tell any performance since it is rainy 
>as
>hell. Also I cleaned the hell outta the K&N filter with hot water and
>let it dry (not adding any oil), I dunno if it helped, but we'll see.
>The 2413 code if that is the only one u are getting has not a thing 
>to
>do with Air Intake Hoses, if those were loose it would cause the car 
>to
>run rich the mechanic at the dealer said. Also I know he knows his 
>stuff
>quite well. He is their top mechanic. He also said if the plugs were
>fouled enuf to make the car run bad, the computer would throw up a 
>code
>for that also. But he made it clear as hell that the intake/turbo 
>hoses
>were not the problem, whatsoever, even though he knew I chipped it, 
>and
>have a silicon IC to crossover pipe hose! Anyways, its been good so 
>far
>today and the nasty egg smell went away too tonite. We'll see how 
>long
>that'll last! Anyways lemme know what u think and keep me posted. Also 
>I
>have a printout on what the 2413 code means from their VAG Tool! If u
>want me to show u! and no where on it does it say anything bout air
>leaks hehe..
>
>-- Levent Cur --
>
>'95 Audi S6, MTM Stage 1+ Modified, 18" SSR Integral GT-1's!
>'93 Audi 100CS Quattro, 151,000 Miles, With Custom Competition Stereo
>and                   Still looks NEW!
>
>
>-----Original Message-----
>From: Brent Olson [mailto:Brent at InscoDico.com] 
>Sent: Tuesday, October 16, 2001 6:50 PM
>To: 'leventcur at ameritech.net'
>Subject: 2413 Code
>
>Levent:
>
>Not a member of the forum, yet I read your post and some of the 
>replies.
>
>I have had the same problem with my 1993 S4 (MTM stage 1+), and think
>that
>it may be due to loose intake hoses.  From what I understand, the
>leakage on
>the intake causes the soot, which then fouls the plugs (and the O2
>sensor
>which I also had to replace).  This is what the Hoppen Motorsport 
>people
>said to look for.
>
>When I tightened up all of the intake hoses, and then cleaned the 
>plugs,
>I
>finally got it to run right.  This may be only temporary, as I did 
>this
>on
>10/14, yet as of 10/16, it is running strong.  The problem I had with 
>my
>S4
>prior to this was that it would hesitate under full boost (knock 
>sensor
>retardation), particularly on the freeway, due to the ignition spark 
>not
>being perfect under the maximum boost condition.  I would then pull 
>the
>plugs, and they would have excessive carbon buildup.  Replace the 
>plugs
>(not
>cheap at $15 each), and you just start the cycle again, as they start
>fouling immediately.
>
>let me know what you find out, and I will do the same.
>
>Brent Olson 
>
>[mailto:Brent at InscoDico.com]
>(503) 684-9606/(800) 223-2451
>
>