Misfire in cylinder 4 and 6

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11-16-2018, 06:47 PM

#21

fordguy2100

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Quote:

Originally Posted by mapleleaf1773

I do appreciate your help white. Unfortunately I had a compression test done. Cylinder 1 and 3 are testing 35 and 40. The range should be 80 to 100. To beat it all, those aren't even the misfiring cylinders.

so sad, but this 4.6 engine is one foot in the grave.

my wife is not happy. Neither am I as we are down to one car. I have a motorcycle, but damn cold.

Your range is actually 15% (maybe 20 can't recall right now)range between top and bottom. 80-100 is most likely what people usually see. It's more important to see all the cylinders close to each other instead if seeing them at a specified #. That being said 40 is no bueno

Do the compression test again but this time put a few drops of oil in each cylinder before the test