Compression Loss -- Cause

[Huw Powell]

bad/stuck valve lifter?

> Loose/broken spark plug.
> 
> > I was thinking about the possible causes of lower compression readings in
> a
> > cylinder and came up with the following.  I will list from what I guess to
> > be the most to least common.  I would love to know what other causes there
> > might be or what changes should be made to the order.
> >
> > 1. Worn Rings
> > 2. Worn Valve guides
> > 3. Worn Cylinder Walls
> > 4. Worn Valves
> > 5. Leaking Head gasket
> > 6. Worn Valve Seats
> > 7. Cracked Head
> > 8. Cracked Block
> >
> >

-- 
Huw Powell

http://www.humanspeakers.com

http://www.humanthoughts.org