Checking transmission line pressure

From: Steve Preston (steveophonic@yahoo.com)
Date: Fri Jul 20 2007 - 21:37:17 EDT


Sup!

I need to determine which is bad: the governor
pressure sensor,or the solenoid. I'd hate to spend the
considerable sum for a part that I don't need,if only
one of them is bad. I've read that if the line
pressure doesn't equate to 1 psi per mph as I
drive,the transducer is bad,and if the pressure is
right,the sensor is causing the problem. This is on my
work truck (2003 3.9 CC 42RE)
that runs crappy (feels like engine miss and doesn't
want to upshift unless I back off the gas.) I spent
this afternoon checking the ignition system,and I'm
fairly sure the engine isn't causing it.

First off,what's a wet gauge? I assume it measures
transmission fluid pressure? Does anyone know if an
HVAC suction side pressure gauge would work?

I want to do some actual troubleshooting and track
this problem down. Unfortunately,my scanner doesn't do
anything but engine sensors,and I haven't been able to
find anything wrong there.

Thanks,

Steve P.

       
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