is FTC 19 idle? getting knock
#1
is FTC 19 idle? getting knock
well cat3 advised me to log my ftc and knock retard, i am in fuel trim cell 19 when i get knock and i thought that was idle. so im thinking im getting kr becuase my car is using timing in the idle tables thats high. let me knowplease, thanks
#2
TECH Addict
iTrader: (11)
Originally Posted by WS6FirebirdTA00
well cat3 advised me to log my ftc and knock retard, i am in fuel trim cell 19 when i get knock and i thought that was idle. so im thinking im getting kr becuase my car is using timing in the idle tables thats high. let me knowplease, thanks
• FTC 0 - 2 slight deceleration, little to no load
• FTC 3 low load, power enrichment
Fuel Trim Group 2, Cells 4 - 7
• FTC 4 low load, part throttle
• FTC 5 low load, part throttle
• FTC 6 moderate load, part throttle
• FTC 7 moderate load, part throttle, power enrichment
Fuel Trim Group 3, Cells 8 - 11
• FTC 8 - 10 moderate load, part throttle
• FTC 11 moderate load, part throttle, power enrichment
Fuel Trim Group 4, Cells 12 - 15
• FTC 12 - 14 higher load, power enrichment
• FTC 15 higher load, power enrichment, wide open throttle (EPA definition @ 100% Load)
Fuel Trim Group 5, Cells 16 - 19
• FTC 16, Automatic transmission in "Park" or "Neutral", hot idle, a/c on
• FTC 17, Automatic transmission in "Park" or "Neutral", hot idle, a/c off
• FTC 18 hot idle, a/c on (Manual or Automatic transmission in "Drive")
• FTC 19 hot idle, a/c off (Manual or Automatic transmission in "Drive")
Fuel Trim Group 6, Cells 20 - 22
• FTC 20 cold idle, a/c on or off
• FTC 21 moderate deceleration / no load
• FTC 22 higher load, power enrichment
Trending Topics
#8
TECH Addict
iTrader: (11)
Originally Posted by WS6FirebirdTA00
405hp_z06, can you double check on that? the car should have been in an idle cell according to conditions
Are you seeing this at hot idle, cold idle, or both?