Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post

americasfuture2k · 08-19-2010, 11:16 PM

yea it maintains that constant pressure regardless of manifold pressure. i think thats how GMs returnless system works. the 2002 C5 holds a constant 55-58 psi... i know its pressure is maintained by the varying voltage from the ECM to the fuel pump.

08-19-2010, 11:16 PM	#6 (permalink)
americasfuture2k EcoModding Apprentice Join Date: Nov 2008 Location: edmond, ok Posts: 118 SLOLANE - '08 Chevy (Daewoo) Aveo5 SV 90 day: 30.55 mpg (US) Thanks: 0 Thanked 1 Time in 1 Post	yea it maintains that constant pressure regardless of manifold pressure. i think thats how GMs returnless system works. the 2002 C5 holds a constant 55-58 psi... i know its pressure is maintained by the varying voltage from the ECM to the fuel pump. __________________ If you cant fix it with a hammer, then you have an electrical problem http://www.cardomain.com/ride/3159589 shutup, im working on it