closed loop(HELP)stu-james @ msd
currently running t34 .63 ,swedish,55 blacks,wasted spark, als, lc.
closed loop
just fitted stack wide band gauge ,on tickover its reading 14.7.but driving at 70mph 5th gear @3000rpm its reading as low as 11.5 ,as soon as i floor it reverts back to chip and fueling seems to be fine .dont know what to check first i've changed the narrow band but hasen't made any difference,if i drive with the narrow band unplugged fueling comes up to 13ish
any idears where to go now
also went to fordfair and mpg was about 20
Last edited by jason 3dr; Aug 12, 2009 at 09:14 PM.