[DMCForum] tone L.O.C.

["cruznmd" <racuti1@xxxxxxxxxxxx>]

Some bright soul out there asked if I'd put a compression gauge on 
the car instead of just my thumb.

So today, I purchased a gauge from Advance Auto and measured 3 
cylinders before the rain drove me inside.

The manual states that this engine runs at an 8.8:1 comression ratio 
but I don't know how many PSI or kPa that is.

I measured cylinder 3 at 100 psi, cylinder 6 at 120 psi and cylinder 
2 at 90 psi.

Now I -already- know that that is insufficient to support self-
sustaining combustion.

So now I know why the car won't start. Now I need to know:

a) What is compression -supposed- to be (in psi or kPa)?
b) What are the possible causes of loss of compression?
c) What could I do to get it back?

I know some of b) but I want to hear as many answers as I can in case 
I'm skipping something.

As usual, thanks.

Rich



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