roy:

assuming actual miss, and not problem with timing light, hall sender would
be a possibility.

dan

On Fri, 9 Mar 2007 07:36:54 -0800, Roy Warner <roy.warner@JPS.NET> wrote:

>I have an 87 westie with spark misses at the coil wire.  I connected my
>timing light to the coil wire and noticed a spark miss at idle.  As I rev
>the engine, the spark miss becomes even more prevelant and the gap in
strobe
>light increases.  I have replaced the coil and the distributor (for other
>reasons) and cleaned all the grounds.  The coil wire is new and resistance
>is good.  I went through the tests according to Bentley and Pro Training
>manual and voltages and resistances checks out.  Alternator is good,
battery
>is good.
>Is it time to remove the wire loom covering and start tracing wires or am
I
>missing something?
>
>This problem began after a shop replaced my engine several years back.
They
>even swapped ECU's to no avail.  They did not methodically troubleshoot.
>
>Are there any other components that will drive spark that I need to look
at?