rich under decel
b.benz at charter.net
Mon Oct 15 11:07:25 PDT 2007
I assume you are talking about a 3B engine?
Sounds like you’ve eliminated all of the peripheral component
Replace your ECU, go back to stock as a trial. I think you have a dog
Do you have another ECU? I could loan one, not quite stock, with an
IA stage III chip.
On Oct 15, 2007, at 9:32 AM, Brandon Rogers wrote:
> PS Fuel Pressure Reg is about 1 yr old, too.
> Any help appreciated
> -----Original Message-----
> From: Brandon Rogers [mailto:brogers at terrix.com]
> Sent: Wednesday, October 10, 2007 11:31 AM
> To: '200 20v List'
> Subject: rich under decel
> Coming back to something I posted up about a few months back. Once
> car warms up - about 5 minutes into driving - the car runs rich under
> decel (idle?) - meaning when I come to a stop at a light - a very rich
> exhaust wafts into the cabin pretty much every time. So then I stink
> after driving the car with windows down. The car does not run rich
> under load or accelerating, I'm thinking, because it just passed
> Colorado's tough rolling road emmissions two months ago - without a
> I also just got the injectors serviced by RC Engineering. The temp
> sender on the back of the head has been changed and did not affect
> Software is by Steve Eiche for an RS2 turbo and EM - wondering if the
> decel fule enrichment can be modified???? Plugs cap, and rotor all
> about 20k miles ago. I've had this richness sice installing the motor
> in the urq IIRC, so I'm thinking even when the plugs, cap and rotor
> new it ran like this...
> any help appreciated-
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