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Sounds down with a K03s, what timing and boost settings are you running? Also what fuel is the car on, vpower etc?
tommy2008cupra
Guest
check all boost vac pipes etc? could be anything tbh or could be the world famous dyno lottery! lol
tommy2008cupra
Guest
cupra20vt240
Guest
im not too sure on what timing its running as i bought the car with a re map on it, iv only got reciepts. it peaks to about 20psi and drops to about 13psi ,, where i live we can only get the 97 fuel unless i travel a bit. all the back pipes should be good as i re did them all when i removed the n75 valve and the secondary air pump
iv said a post on here before about it holds back for a second before boost and i still havnt sorted it so do you recon it could be related? i need to buy an air flow meter really
cheers
iv said a post on here before about it holds back for a second before boost and i still havnt sorted it so do you recon it could be related? i need to buy an air flow meter really
cheers
cupra20vt240
Guest
tommy2008cupra
Guest
cupra20vt240
Guest
only thing it ever comes up with is secoudary air pump fault as i have removed it and put a resider in place the fault comes up now and then when i let it idle from cold.
i have been using a snap on verus scanner but it never seems to find any faults apart from the one i said.i bought a cheapy cable of ebay vagcom but i aint got it to work yet.
misses under load for a 2nd when u put ur foot down.
i have been using a snap on verus scanner but it never seems to find any faults apart from the one i said.i bought a cheapy cable of ebay vagcom but i aint got it to work yet.
misses under load for a 2nd when u put ur foot down.
cupra20vt240
Guest
cupra20vt240
Guest
i have set my vag com up i am only using the 409-1 one at the moment just wondering wot groups i should be logging
whilst i was testing it my car seems worse now and then under load its totaly flat
whilst i was testing it my car seems worse now and then under load its totaly flat
cupra20vt240
Guest
I have just done a log for my first time
Group C: 003
RPM Mass Flow Load Ign. Timing
TIME
STAMP /min g/s___ % ___ °BTDC
96.27_ 3600 18.39_ 11_ 38.3
97.55_ 3680 34.58_ 18_ 32.3
98.75_ 4040 152.03 100_ 6
99.97_ 4560 145.25 100_ 6
101.17 5080 151.72 100 6.8
102.46 5520 155.92 100 6.8
103.66 5920 160.61 100 8.3
104.86 6240 163.44 100 9.8
106.06 6560 165.33 99.6 10.5
107.36 5280 165.14 100 6.8
108.65 5520 154.81 100 6.8
109.85 5680 156.69 100 7.5
111.05 5880 160.06 100 8.3
112.25 6040 160.61 100 9
113.56 6200 162.08 100 9.8
Group C: 003
RPM Mass Flow Load Ign. Timing
TIME
STAMP /min g/s___ % ___ °BTDC
96.27_ 3600 18.39_ 11_ 38.3
97.55_ 3680 34.58_ 18_ 32.3
98.75_ 4040 152.03 100_ 6
99.97_ 4560 145.25 100_ 6
101.17 5080 151.72 100 6.8
102.46 5520 155.92 100 6.8
103.66 5920 160.61 100 8.3
104.86 6240 163.44 100 9.8
106.06 6560 165.33 99.6 10.5
107.36 5280 165.14 100 6.8
108.65 5520 154.81 100 6.8
109.85 5680 156.69 100 7.5
111.05 5880 160.06 100 8.3
112.25 6040 160.61 100 9
113.56 6200 162.08 100 9.8
Last edited by a moderator:
tommy2008cupra
Guest
Logs should ideally be captured in 4th gear to get a good dataset.
Those MAF figures are very low but we need to see more logs before being able to diagnose further.
Try getting blocks 002, 020, 115 and 118 in 4th gear runs within quick succession of each other
http://seatcupra.net/forums/showthread.php?t=105464 may be of use to you
Those MAF figures are very low but we need to see more logs before being able to diagnose further.
Try getting blocks 002, 020, 115 and 118 in 4th gear runs within quick succession of each other
http://seatcupra.net/forums/showthread.php?t=105464 may be of use to you
cupra20vt240
Guest
i didnt reliase at the time to do it in forth gear my blocks wont go up to like 115 118 it just comes up with a error
thanks
thanks
cupra20vt240
Guest
I've done some logging today but i don't know how to post my results, i tried to post it through a link on photobucket and i need to have 15+ posts to do it. Can i post it through a link to the actual excel file?
Another thing; Whilst i've been trying to do the logs my cars been getting worse, misfiring and going totally flat but not all the time. Also a couple of faults came up up, one was misfire on cylinder 4 and another was multiple cylinder misfire. I'm guessing it's the coils but would anyone recommend the bolt down ones for S3's that you can buy off ebay as i'm currently using the bolt down ones?
Cheers
Another thing; Whilst i've been trying to do the logs my cars been getting worse, misfiring and going totally flat but not all the time. Also a couple of faults came up up, one was misfire on cylinder 4 and another was multiple cylinder misfire. I'm guessing it's the coils but would anyone recommend the bolt down ones for S3's that you can buy off ebay as i'm currently using the bolt down ones?
Cheers
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