Loose Reluctor Coil

[Kurek, Larry]

> After rebuilding the head on my Buick, I found that it still 
> has no power
> (starts and idles OK - no codes asserted in the ECM) and 
> stalls when I put
> the transmission in drive.  I put a timing light on #1 
> cylinder and noticed
> it seemed to flash irregularly.  I checked the spark coil, 
> and it seems to
> be fine although the coil itself is a little loose on the frame.

Replace the coil. I had the same problem, and although the coil LOOKED good,
and threw a spark, it wasn't enough to fire the motor. Changed the coil and
voila!

 
> I pulled the cap on the distributor and removed the EST unit 
> for testing
> and I noticed that the reluctor coil (Ohms out OK) connected 
> to the EST is
> loose.  By that I mean that it is able to move around the 
> distributor shaft
> about 5-10 degrees but not up and down the shaft.  Would this 
> affect the
> spark timing?

Yes it would, but this wouldn't cause your atalling problem. Make sure the
coil is mounted corectly...

TTYL!

Larry