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Discussion Starter · #1 ·
Ok

As ALL of you know, i have been having a problem with my truck running rich and getting way too much fuel

I decided for shits and grins to run a compression test to and here are the results

Cyl 1 = 135psi
Cyl 2 = 135 psi
Cyl 3 = 100 psi
Cyl 4 = 135 psi

is it possible since i ran with a clogged cat for awhile that i bent a valve and messed up the head and it is not burning the fuel like it should??

any ideas?

thanks
 

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Do a leak down test. Take the shraeder valve out of your compression tester and hook it up to your air tank. Find where the airs coming out. That'll pinpoint where you're leaking.
 

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How do you run a compression test? My Jeep is running rich and i'd like to figure out why...could just be the carburetor..but i don't even know how to adjust that. yup..i'm a newbie...to carbureted engines anyways.
 
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