Originally posted by Pepse:
d now I am getting around 25MPG; but it has better pickup. I do have 3 CEL codes; 2 for the upstream bank 1 H02S, and one for the EGR. Could these 2 items be causing my MPG to remain the same??
Later. Pepse.
the upstream 02s prolly meaning teh ones b4 the cats controll ur air fuel mixture, so Yes it woudl affect fuel milege and ur EGR can do that too
1997 30th Anniversary SS,Jethotts/ORY/GMMG, 160thermo, ,TB bypass, 1LE intake elbow, BMR STB, 32mmswaybar..21mm rear,BMR LCAs, PR,SFCs,TA,LT4 KM,255lph, shift kit
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