Joined
·
372 Posts
hi i had my r32 gtr rolling roaded the other day the is car standard apart from 1 bar boost and decat my afr were far to lean 14.1 afr when on boost with the standard ecu. When my apexi ecu was fitted the best afr the guy mapping could get was about 12.1 and that was the fueling on the ecu maxed.
the guy mapping the car reconed the fuel pump was okay as the afr got lower with higher revs. he thinks one of the mafs might be screwed as there was quite a big difference in the readings of the 2 sensors at certain points. can this cause the car to run lean? any idea what other sensors can cause the car to lean run?
the guy mapping the car reconed the fuel pump was okay as the afr got lower with higher revs. he thinks one of the mafs might be screwed as there was quite a big difference in the readings of the 2 sensors at certain points. can this cause the car to run lean? any idea what other sensors can cause the car to lean run?