cylinder compression
#1
cylinder compression
I have 2005 gt with 4.6 what should the compression be in the cylinder. has a code for misfire cylinder 5, which is the same cylinder that I had to have sleeved due to a crack in the block. had the valves done on the cylinder also and the head was pressure tested.
thank you
thank you
#4
I think the compression is good, but now it is getting hot. I switched the coil packs and got the same code. I changed the thermostat thinking it was sticking but that did not help. what else can I do to figure this out.
#6
well it ended up blowing white smoke out exhaust, so I am thinking head gasket, took all plugs out was going to check compression in all cylinders. on cylinder 5 it was full of antifreeze, same one that it was throwing mis fire code. question, before it started getting hot if you held up a piece of paper over the tail pipe it was like it was sucking the paper against it, could I have a exhaust valve sticking? and would that cause my mis fire and now coolant in the cylinder?
#7
Bullitt Member
Join Date: April 11, 2006
Location: South Austin Texas
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Drain everything quick before it rusts up the cylinder walls and rings. Oil and Antifreeze. As far as coolant being in the cylinder, either there is a hole in the piston wall or the head gasket has bit the big one.
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