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Old September 13th, 2012, 08:29 AM   #81
SHARPMACHINE
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Quote:
Originally Posted by chevotass View Post
48 engine off

48 engine idling

jumped to 54 under throttling from what i could see. it was hard to read but i did see it go up a bit.

14.75 volts at pump

pulled the filter and pressure made no difference.

anyone know how to check the regulator on the fuel rail?
I read that you just pull the vacuum line going to it and if there is any fuel in it, it is bad. = http://www.silveradosierra.com/vorte...ues-t9384.html
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