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Did you check actual fuel pressure?
Yes sir. Was 50psi at rail idling when it was boiling hot under hood. Let it cool it was idling around 33psi. Did some data logging looks like my pump is putting out too much pressure, cars trying to pull the 25% maximum fuel out at cruising.
FPDM not idling the pumps back or running return?
Hot or not, should not be that high.
OR running boost a pump?
Not sure on FPDM idling. Running factory returnless setup with a 340lph pump. No BAP
I have a datalog of following
Time (sec) fp_duty_cycle fuel_rail_pr_psi idle_spd_valve load maf_counts short_term_b1 short_term_b2
All long weekend was spent eating out for dinner with family and friends to celebrate my lovey wife's birthday! Happy Birthday to my wonderful wife. No more big meals. Gained 5 pounds at least this weekend!