[s-cars] Possible ignition problem

[Calvin & Diana Craig]

Rod,

If you want to check Chad's hypothesis you could back probe the 02 sensor at
the computer with a prtable O-scope and see what the waveform looks like
when you let off the gas.  Just a thought.

--Calvin


-----Original Message-----
From: s-car-list-admin at audifans.com
[mailto:s-car-list-admin at audifans.com]On Behalf Of CLAG500 at aol.com
Sent: Sunday, December 01, 2002 6:54 PM
To: S4audinut at aol.com; s-car-list at audifans.com;
Audi20V_Kruemmer at yahoogroups.com;
Audi5zylinderturbotechnik at yahoogroups.com
Subject: Re: [s-cars] Possible ignition problem


Rod,

  The symtoms you describe sound kind of like what I experienced when my o2
sensor crapped out. Kind of a part throttle hesitation when first getting on
the gas. I had a code stored when this happened. Don't remember the exact
code but it had something to do with air/fuel out of spec. With a dead PSO
you lose a cylinder. Really bad miss intermitantly at first and more
constant
as it gets worse. PSO usually won't store a fault code.

Chad Tobin

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