[s-cars] Loacation of CPS ?

[dbkase at gmail.com]

I am afraid I am at my limit. I replaced my CPS when that wasn't the  
problem. The list should provide more/better help - sorry...

On Dec 27, 2009 4:12pm, kbogach at comcast.net wrote:
> I am totally confused now. Code 2113 is gone from ECU. Just when I felt  
> lucky and before finishing for today I decided to check codes again and  
> there are only 2111 and 2112. I had impression that ECU can not clear  
> codes by itself. Another strange thing: code 2111 always blinks twice -  
> as first one and second time as the last code? Is it normal?

> Thank you.
> Konstantine


> ----- Original Message -----
> From: kbogach at comcast.net
> To: "David Kase" dbkase at gmail.com>
> Cc: s-car-list at audifans.com
> Sent: Sunday, December 27, 2009 3:33:22 PM (GMT-0500) Auto-Detected
> Subject: Re: [s-cars] Loacation of CPS ?

> Dave, thank you. I have a few more questions. This is "no start  
> condition". RPM/Crank position sensors are fine (checked resistance and  
> observed signals with o-scope), fuel pump relatively new and is humming.  
> I don't have fittings for this car to test fuel pressure, unfortunately.  
> Stored codes are 2111,2112 (these are for rpm/crank position sensors) and  
> 2113 (cam position sensor).

> 1. How accurate usually is code for cam position sensor (2113) ?
> 2. I observed the signal from CPS on o-scope. Voltage is per spec but I  
> can not swear that pulses make a pattern. I am not sure if that because  
> started rotate engine with no constant speed. What is the usual symptom  
> of the CPS failure? No signal at all or intermittent signals? Engine is  
> catching a spark for a fraction of second and stalls.

> Thank you.
> Konstantine.