ek9phantom

hey wa swup please help i have a 96 hatch single cam and wont start. i have spark its gettin fuel. compr. is as follows.. cyl 1-120 cyl2-115 cyl3-35 cyl4-85. it was runnin last thursday but i ran out of gas so friday i put gas in it on friday morning and it has started since. please help i kno sumone can help me please...

azandford

Maybe cylinder 3 and 4 are your problem. 35 and 85? I have seen differences of 20 cause issues...thats a big difference

ek9phantom

yea that is a big difference

Jimster480

35 and 85? that motor is gone. Either your valve seals are gone or your rings are gone.
and what do you mean by dumpin fuel?

Former User

The low compression of cyls 3 and 4 also could be the result of flooded cylinders caused by stuck open fuel injectors. If flooding is not the problem, then do a cylinder leakdown test.

Jimster480

orly? i had no idea that fuel in the cylinders kills compression.

Former User

Cylinder compression depends in part on a thin layer of engine oil coating the cylinder walls. Fuel flooding of a cylinder dissolves this import oil coating, thereby diminishing cylinder compression. That's why flooding can result in a no-start problem.

Jimster480

makes sense. thanks

skaternak

did you do the compression test with the engine warmed up and wot? cause if you do it cold. it is pointless because the metals did not expand

Former User

Not sure how one would go about warming up an engine that won't start.