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misfire due to poor valve seat?

without dismantling the engine describe fully two test procedures that could be used to confirm a misfire due to poor valve seat
asad, October 2010
Compression test and monitor the intake manifold vacuum using a vacuum gauge.
I'm not going to write the procedures, do your own homework and stop cheating.

fred, October 2010
compression test

rossi, October 2010
just do a compression test and you will have your answer

Steve, October 2010