Has this lack of fire been confirmed by observing the suspect plug?

Chris.

Wysłane z iPhone'a

Dnia Jun 20, 2011 o godz. 8:18 "Dominic Provini Jr." <dprovinijr@HA-PA.COM> napisał(a):

> Hi,
> 
> I have a question . . .My 85 westy is in the shop getting some work done
> and the mechanic has been trying to figure out why it sometimes fires on
> 3 cylinders and sometimes 4.  It's a 1.9l and it's starting to happen
> all the time now.  One time I will start it and it will run fine, the
> next time I jump in it and it runs horrible.  I have replaced the spark
> plug, the plug wire, the rotor and the fuel injector.  Is there any test
> he can perform to try and track down why cylinder #1 doesn't fire like
> it should?  Any help would be great...
> 
> Thanks
> 
> Dom