Question about Ford F-100
If egr is stuck open, it can give you a low vacuum signal. Since its removed (and blocked off), there is no problem there. Yes, you can block off one line, then check which port on the modulator works best. (does the modulator hold vacuum? If its old, the diaphram inside may have failed)If so, there is nothing you can do but replace it. Can you manually shift (& downshift?) gears?
Are you absolutely sure that you got everything in the valve body correct when you installed the shift kit? even a small piece of debris can screw it all up!!
Posted on Jan 02, 2009
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Posted on Jan 02, 2017
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