Re: HELP: ****sche 944 no spark

jonb55198@[EMAIL PROTECTED]
 wrote:
> Hi Group,
> 
> The other day my car would not start.  The battery is fully charged
> and the starter cranks well.  My friend and I did some preliminary
> diagnosis with which we discovered:
> 
> 1. There is 12V at the ignition coil (both wires to ground).
> 2. The resistance/impedance numbers of the coil are within spec.
> 3. There is no water in the coil, we displaced it with lubricant and
> the protective boot looked ok anyway.
> 4. We hooked up a 2 different spark plugs to the output wire of the
> coil (the wire that goes from the coil to the cap) and then grounded
> it and turned the key into the ON position (but not the start
> position) and did not get any spark.
> 5. There is fuel in the rail.
> 
> My question is, if there is 12V at the ignition coil, and the
> resistance numbers are ok, could it still be a bad coil, or does this
> point to something else like a bad DME/ECU, a bad DME Relay, a bad
> crank position sensor or speed sensor?
> 
> I've read in other posts that when these sensors go bad, there is no
> spark... but did the authors of these posts mean to write that when
> these sensors go bad, there will NOT be 12V at the coil?  Please
> help.  Thanks.

Is there a pulse at the injectors?