Engine Performance problem
1994 Chevy S-10 6 cyl Two Wheel Drive Automatic 165000 miles
my truck is a CMFI fuel system. I got this truck from my brother and it has always run poorly (low power). My question is would a map sensor vlotage reading of 3.8v at idle be causing my computer to think it has low vacuum?Or be causing it to run weak. A vacuum test shows a steady 18.5psi acceleration test normal.
Wednesday, December 3rd, 2008 AT 9:07 PM