Quote:
Originally Posted by speedygonzales
Not being familiar with non-vortec 4.3's I have to ask if the FPR may be leaking? The vortec ones are notorious for that. Gives you poor performance and bad idle quality and it can effect the oil.
Does the oil smell like fuel or did it ever before?
Fuel contaminated oil would also give you the intermittent "oil can" light you spoke of earlier.
But again back to what someone said earlier to check the fuel pressure is the key to several questions.
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The TBI fuel pressure regulator diaphragm is replaced when the TBI is rebuilt
This is what it looks like
Fuel On one side, Spring pressure and Vacuum on the other
