[V8] V8 not starting-Sometimes

[Jeremy Ward]

Hmmm, I don't think you need to try to restart after it dies.  Remember
Audi prevents doing this (stripping the starter gear), so you HAVE to
turn it off in order to try and start it again.

I am guessing that it would have enough info to go on if it died on its
own; just leave the key in the on position and pull the codes.

You are right, though about rpm sensor code and a non running engine (I
ran into that last June).  If the engine won't turn over at all, you
have to crank it for like 15 sec.  Not sure if it would read RPM sensor
correctly or not...

More on pulling codes at Scott's website:
http://www.sjmautotechnik.com/ecufv8.html 

- Jeremy

-----Original Message-----
From: Jason Wilkerson [mailto:wilke_jb at yahoo.com] 
Sent: Monday, December 15, 2003 2:02 PM
To: Eddie Dial; V8 list
Subject: RE: [V8] V8 not starting-Sometimes

Eddie,

   I don't remember which is which(as far as which one is on top and
which
one is on the bottom, I'll get back to you) , but the sensors are
identical (eventhough they are different colors)- if either are in the
non-functioning mode - the car will not start.  If the RPM sensor goes
bad
while driving the car will die suddenly (usually related to heat, you
notice the tach not responding while you try to turn it over. I haven't
heard of them bucking, although it could), whereas if the reference
sensor
(used for timing) goes bad while driving - the car will still run, but
when you shut it off it won't re-start until it cools off (usually this
is
the case).  I would pull the codes if I were you, but remember if the
engine is not running you will get an rpm sensor code because there is
no
signal, I think you can remedy this by getting the car to die without
restarting, turning the engine over for a few seconds and leave the key
in
the on position, hook up the diagnostic and get the codes to see if it
left an rpm sensor code.  If I'm wrong anyone please jump in here!

                         Good Luck,
                                Jason

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