Bad Cylinder... Need advice!!!

[Johnny]

Thor Johnson wrote:
> 
> On Sat, 10 May 1997, Johnny wrote:
> 
> > Not firing but has fuel and spark means you either get spark at the
> > wrong time, or you have a LARGE LEAK. Do a leak down on it. Takes about
> > a minute to do. Listen closely to figure out where it is leaking. You
> > will hear that "shhhhh" sound either in the crankcase, intake manifold,
> > or exhaust, or sometimes right out the side if it is a head gasket. If
> > you hear it in the crankcase, that usually means hole in piston, broken
> > ring land and ring, cracked piston, etc. If it's coming out the exhaust,
> > you have a burnt, bent, cracked, broken, or stuck exhaust valve. Ditto
> > on the intake valve if you hear it at the intake manifold.
> 
> Actually found what it was- one of my injector mosfets failed, so I wired
> #1 to #3 (thus forcing batch, but... we have four now!).

I assumed you had fuel. Glad to see you didn't have a melt down.

I usually check spark then fuel then mechanical, with a leak down being
the quick and usually very informative test for mechanical.

-j-