[urq] Cold start, thermo time switch, Frequency valve

[Gary Brown]

Steve-

Yes, please do send me your notes.

Thanks
----- Original Message -----
From: "urq" <urq at pacbell.net>
To: "'Gary Brown'" <gmbchef at sbcglobal.net>; <urq at audifans.com>
Sent: Tuesday, March 18, 2008 1:34 AM
Subject: RE: [urq] Cold start, thermo time switch, Frequency valve


> On my car the balky OXS Freq Valve was resolved with a replacement ECU ...
> my car would start and idle, but then would cough and die if you tried to
> apply any throttle.
>
> After I got the MC2 installed it was running just fine with the OXS Freq
> Valve disconnected.  Unfortunately you can't just unplug the OXS Freq
Valve,
> you'll get a 4k PRM cut out ... you need to jumper the freq valve signal
to
> the aux air regulator ... I think ... if you want to do this let me know
and
> I'll look up my notes.  I did post the details as well ...
>
> Steve B
> San Jose, CA (USA)
>
> -----Original Message-----
> From: urq-bounces at audifans.com [mailto:urq-bounces at audifans.com] On Behalf
> Of Gary Brown
> Sent: Sunday, March 16, 2008 11:07 AM
> To: urq at audifans.com
> Subject: [urq] Cold start, thermo time switch, Frequency valve
>
>  Guys -
>
>  This is driving me crazy.
>
> My cold start valve still isn't firing even though all of the wiring and
> physical tests of all parts found all systems go.
>
> Also, it takes forever for the frequency valve to buzz, although sometimes
> it will buzz during warm up when the fan kicks on, then stop as fan turns
> off.
>
> I had all of this sorted out before the paint job. The car would fire
right
> up and be driveable no matter how cold.
>
> Now, after 20 minutes or more, the FV starts to buzz. I'll set the duty
> cycle, car will run great!
>
> Then, after a brief cool down, no more FV buzz, then over night, car will
> not start with out a few cranks of the air plate screw.
>
> No vacuum leaks at all either.
>
> Am I missing something simple?
>
> Thanks
>
> Gary
>
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