davke
12-15-2006, 02:18 AM
hi. i have maked fuel pump test as its shown in manual (how much fuell will flow through the fuel pressure regulator at 12v after 10 seconds). it should be 230cc. my result was 40cc :(. fuel filter is changed not long time ago. so its fuel pump failure? i maked fuel pressure test too and the interesting thing is fuel pressure is good: 36-41 psi (as you know depends on pressure regulator). the probelm is ~27-28 litres (about half a tank) for 100 miles. I found another fuel pump in a garage(i don't know for what car is it), and put it to my car. then i maked fuel pump retest and the result was 180 cc. so my Q: do low millage depend on the weak fuel pump?? i hope you will understand my poor english :) thanks