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#1 Mis-fire
#28
guys i have some n00b questions

is it normal for the short term fuel trim and timing advance to change while the car is idling?

early in the file the short term trim is negative % (trying to lean out the motor?) and timing advance is 28deg

later in the file the short term trim is slightly positive, and the timing advance is down to 16deg

is that just how cars operate when they are in closed loop?

could that negative short term trim and more timing advance be contributing to the detonation he experience in 4th gear at low rpm?

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Messages In This Thread
#1 Mis-fire - Scorpion - 06-03-2007, 08:04 AM
#1 Mis-fire - mo_focus - 06-03-2007, 10:01 AM
#1 Mis-fire - Scorpion - 06-03-2007, 10:39 AM
#1 Mis-fire - Mason - 06-03-2007, 12:14 PM
#1 Mis-fire - Scorpion - 06-03-2007, 03:00 PM
#1 Mis-fire - Mason - 06-03-2007, 09:23 PM
#1 Mis-fire - ANTHONYD - 06-03-2007, 10:43 PM
#1 Mis-fire - hardk0re - 06-03-2007, 10:49 PM
#1 Mis-fire - ANTHONYD - 06-03-2007, 11:34 PM
#1 Mis-fire - NOS2Go4Me - 06-04-2007, 12:09 AM
#1 Mis-fire - Scorpion - 06-04-2007, 01:49 AM
#1 Mis-fire - Mason - 06-04-2007, 02:42 AM
#1 Mis-fire - reldridge - 06-05-2007, 10:07 PM
#1 Mis-fire - Scorpion - 06-08-2007, 08:18 AM
#1 Mis-fire - Mason - 06-08-2007, 11:15 AM
#1 Mis-fire - Scorpion - 06-10-2007, 10:31 AM
#1 Mis-fire - Mason - 06-11-2007, 11:03 PM
#1 Mis-fire - Mason - 06-13-2007, 11:05 AM
#1 Mis-fire - hardk0re - 06-13-2007, 11:53 AM
#1 Mis-fire - Scorpion - 06-13-2007, 01:10 PM
#1 Mis-fire - hardk0re - 06-13-2007, 07:14 PM
#1 Mis-fire - Mason - 06-14-2007, 01:09 AM
#1 Mis-fire - NefCanuck - 06-14-2007, 06:11 AM
#1 Mis-fire - Scorpion - 06-14-2007, 09:05 AM
#1 Mis-fire - NefCanuck - 06-14-2007, 09:15 AM
#1 Mis-fire - Mason - 06-14-2007, 11:52 AM
#1 Mis-fire - zx5chris - 06-14-2007, 03:28 PM
#1 Mis-fire - naz - 06-15-2007, 09:57 AM
#1 Mis-fire - Mason - 06-15-2007, 11:44 AM
#1 Mis-fire - ZED_not_zee - 06-15-2007, 05:58 PM
#1 Mis-fire - Mason - 06-18-2007, 10:44 AM
#1 Mis-fire - Scorpion - 06-19-2007, 08:20 AM
#1 Mis-fire - Mason - 06-19-2007, 11:55 AM
#1 Mis-fire - zx5chris - 06-19-2007, 01:08 PM
#1 Mis-fire - OAC_Sparky - 06-19-2007, 01:28 PM
#1 Mis-fire - NOS2Go4Me - 06-19-2007, 01:50 PM
#1 Mis-fire - Scorpion - 06-20-2007, 08:07 AM
#1 Mis-fire - zx5chris - 06-20-2007, 02:50 PM
#1 Mis-fire - ZED_not_zee - 06-20-2007, 03:02 PM
#1 Mis-fire - Scorpion - 06-20-2007, 10:30 PM
#1 Mis-fire - naz - 06-21-2007, 04:01 AM
#1 Mis-fire - Mason - 07-11-2007, 10:29 PM

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