yxx499
Full Member
Karma: +4/-10
Offline
Posts: 106
|
|
« on: December 19, 2016, 07:58:26 PM »
|
|
|
Hi mates,
I have some issues at my Seat 1.8T 20v BT , Deka 630cc, running WG pressure with internal WG, and that gives me headache. At WOT i have a hard and strange intervention and i don.t know from where it comes.
When driving and pressing WOT, for one second, at arround 4000-4500rpm the engine jerks brutal... for one or two times.
My opinions: 1. That is not really a TQ Intervention because i run KFLDRAPP enabled (cwmdapp8). 2. Second time i thinked is the ign.advance, but i have signifiant lowered it to maximum 12-13deg and same trouble, also i see no retarding on logs. 3. Replaced spark plugs, coils, nothing changed. 4. For sure is my fault ...something wrong in software, i suspect KFDMARO maps(i maked them 99%) or .. dont know. Thinked at IRL/IOP but one time when i get them wrong, ECU trowed me TQ Monitoring level2, but in this case i don.t have DTC's.
AFR is ok(Except the moment when car jerks), ign timing is ok .... but dont know what to do.
I atached the log (jerk between 3800-4200rpm area).
Someone can give me help or saying me if i need to log more variables...maybe will find the solution.
|
|
« Last Edit: December 19, 2016, 08:12:00 PM by telnet402m »
|
Logged
|
|
|
|
nyet
|
|
« Reply #1 on: December 19, 2016, 08:07:46 PM »
|
|
|
Please do not post Excel fies.
They cannot be parsed by ECUxPlot and are non portable.
|
|
|
Logged
|
|
|
|
yxx499
Full Member
Karma: +4/-10
Offline
Posts: 106
|
|
« Reply #2 on: December 19, 2016, 08:09:47 PM »
|
|
|
Sorry, i have re-uploaded original log.
The "jerk" is after 3900rpm -4000-4100rpm you can see in log.
|
|
« Last Edit: December 19, 2016, 08:17:28 PM by telnet402m »
|
Logged
|
|
|
|
nyet
|
|
« Reply #3 on: December 19, 2016, 11:50:28 PM »
|
|
|
Log misfires?
|
|
|
Logged
|
|
|
|
yxx499
Full Member
Karma: +4/-10
Offline
Posts: 106
|
|
« Reply #4 on: December 20, 2016, 01:52:36 AM »
|
|
|
I maked 30 minutes ago 5-6 logs , all with missfires logging, 0 overall.... This car maked me crazy....i dont find the solution...
|
|
« Last Edit: December 20, 2016, 02:23:20 AM by telnet402m »
|
Logged
|
|
|
|
nyet
|
|
« Reply #5 on: December 20, 2016, 02:22:33 AM »
|
|
|
I see nothing else going wrong.
O2 voltages maybe?
|
|
|
Logged
|
|
|
|
adam-
|
|
« Reply #6 on: December 20, 2016, 05:38:06 AM »
|
|
|
Deviation from actual/current at 4680 - 5440. Goes lean at 5200. No mshfm.
Does it do it not MAFless?
|
|
|
Logged
|
|
|
|
nyet
|
|
« Reply #7 on: December 20, 2016, 11:41:49 AM »
|
|
|
btw just because you don't log misfires doensn't mean there aren't any..
|
|
|
Logged
|
|
|
|
nyet
|
|
« Reply #8 on: December 20, 2016, 11:44:47 AM »
|
|
|
going to guess misfires from ignition or fuel problems.
Definitely not tuning related.
|
|
|
Logged
|
|
|
|
yxx499
Full Member
Karma: +4/-10
Offline
Posts: 106
|
|
« Reply #9 on: December 20, 2016, 01:50:36 PM »
|
|
|
Yes , is a mafless setup.
Le : I was found ECU Relay J249 was almost dead...a part of jerking has gone.. but not complete.
After that , i will try to correct FKKVS and upgrade Coils to TFSI ones.
|
|
|
Logged
|
|
|
|
nyet
|
|
« Reply #10 on: December 20, 2016, 02:03:18 PM »
|
|
|
What is your reasoning for going mafless
|
|
|
Logged
|
|
|
|
|