[s-cars] Going insane... UrS4 falling on it's face at WOT
Darin Nederhoff
scarsgo at gmail.com
Sun Jul 17 16:02:45 PDT 2011
It gets better. I'm now broken down in Faribault, mn with a car that
cuts out when I give it any gas at all. Codes 2223, 2413, and 2342.
Lately I hate my car.
Darin Nederhoff
Sent from my iPhone
612.293.6575
On Jul 17, 2011, at 3:39 PM, Wayne Dohnal <wd43 at hevanet.com> wrote:
> I'm chasing a similar problem on my stock '94. The behavior is clearly visible on the boost gauge: After I run at full boost (~15 psi) for a second or two, the ecu cuts the engine off. If I hold the pedal down, the car bucks like crazy between full power and fully cut off. Once I cause this situation, the engine cutoff occurs at 5 PSI until I do an engine shutdown and restart. Then the cutoff point goes back to 15 PSI. I've improved the situation some by fixing a loose hose on the moisture trap under the plastic cover by the firewall. I'm getting a code 2413 "mixture adjustment". The MIL light isn't on, which the Bentley says it is with a 2413 code.
>
> I've given the MAF sensor a good cleaning and I'm going to try replacing my never-replaced bypass valve. Have you replaced yours? I didn't see it on the list of new parts. Other suggestions appreciated. The Bently lists a lot of possible causes for the 2413 code Is there any particular thing that's usually behind it?
>
> Wayne
> 1994 S4
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