a.lim Posted October 25, 2011 Share Posted October 25, 2011 My car has been running like crap on WOT. I did some logs (at idle) with the parameters that a local tuner suggested. Not sure what these parameters mean. Can someone shed some light? http://img256.imageshack.us/img256/5799/screenshot20111025at333.jpg Attached is the full log.datalog21.csv Link to comment Share on other sites More sharing options...
Spec B Posted October 26, 2011 Share Posted October 26, 2011 That log does not tell us much - looks totally normal to me. It is showing your fuel trim adjustments - they are all reasonable/normal. You need to do WOT logs and tell us your detailed mods list. If using romraider log: Engine speed Engine load manifold relative pressure (corrected) Knock Sum Total Timing Feedback knock correction Fine learning knock correction throttle opening IAM I think that is all. Not sure what the parameter names are for accesport. Link to comment Share on other sites More sharing options...
a.lim Posted October 26, 2011 Author Share Posted October 26, 2011 thats all i sent to my tuner and he said there's something wrong with my car. he wants me to come in for a compression/leak test. bs?! Link to comment Share on other sites More sharing options...
cryo Posted October 26, 2011 Share Posted October 26, 2011 If that's all he told you to log and now says you need a compression check I would look to a different tuner. Unless we are only getting part of the story there is nothing in that log that really says anything negative. Iam is at 1 and all trims are within 5%. The d learning should be lower ie +- 2% but I have seen plenty of stock vehicles way farther off than that. On a tuned high hp vehicle that might be causing a lean condition up top but can't tell without a wideband and data. I cannot look at the full log on my phone but like stated above, post a wot log from 2k to redline with the parameters listed above and we might be able to help. Dave [sIGPIC][/sIGPIC] Providing unmatched customer service and a Premium level of Dyno/E-tuning to the Community cryotuneperformance@yahoo.com facebook.com/cryotuneperformance. Link to comment Share on other sites More sharing options...
Spec B Posted October 26, 2011 Share Posted October 26, 2011 I should note - the only thing that looks a little whacky is the idle RPM - seems to fluctuate a little more than normal. It bounces from 880 to 920 in places - but perhaps that is normal, I never noticed it on my logs. I do not think you should get a compression test unless (as cryo stated) there is more to the story. What are your symptoms other than it running crappy? Link to comment Share on other sites More sharing options...
j255c Posted October 26, 2011 Share Posted October 26, 2011 Are you eating Oil, does power seem down from what it used to be? Have you thrown any misfire codes? If so id recommend a leakdown/comp test as well. 06 TB EVO IX SE stock turbo monster subaru hater Link to comment Share on other sites More sharing options...
a.lim Posted October 27, 2011 Author Share Posted October 27, 2011 oil seems to be fine. still doing oil changes at the same interval. power seems to be fine also, but i really dont know how it performs under heavy accel because i always baby the car now. i had one misfire code that turned on when i first experienced this weird shaking at WOT, but it turned off by itself within seconds. no codes eversince. i have a log that i did a while back when it first started happening. ive attached it. only went to 5300 rpm because the shaking got real bad. also, although its not on the logs, on the drive back home tonight i did a WOT run in 4th starting from 3300 rpm and as soon as i hit around 15 psi boost i got a cylinder 3 roughness. eased off the pedal after that. if i have to ill do another log with those parameters above. i just dont feel comfortable going WOT anymore..datalog18.csv Link to comment Share on other sites More sharing options...
bmx045 Posted October 27, 2011 Share Posted October 27, 2011 omg, still, almost useless log. log knock sum learned fine knock feedback knock throttle plate angle as well there is learned knock in there at the moment but nothing serious. Link to comment Share on other sites More sharing options...
Spec B Posted October 27, 2011 Share Posted October 27, 2011 If you are having a misfire code the first thing to check is your coilpack, sparkplugs and injectors. I would start by checking the cyl 3 coilpack connection, plug and injector. If everything looks fine I would swap out the coilpack on 3 to another cylinder. If the roughness moves to that cylinder then replace the coilpack it is probably bad. If it does not move, swap the injector and see if the roughness moves to another cylinder. If none of these work - get a compression test. Link to comment Share on other sites More sharing options...
cryo Posted October 27, 2011 Share Posted October 27, 2011 oil seems to be fine. still doing oil changes at the same interval. power seems to be fine also, but i really dont know how it performs under heavy accel because i always baby the car now. i had one misfire code that turned on when i first experienced this weird shaking at WOT, but it turned off by itself within seconds. no codes eversince. i have a log that i did a while back when it first started happening. ive attached it. only went to 5300 rpm because the shaking got real bad. also, although its not on the logs, on the drive back home tonight i did a WOT run in 4th starting from 3300 rpm and as soon as i hit around 15 psi boost i got a cylinder 3 roughness. eased off the pedal after that. if i have to ill do another log with those parameters above. i just dont feel comfortable going WOT anymore.. These are the "other things going on" that I mentioned. If you are seeing roughness that was never there before with a solid tune that's a whole different story. Roughness during wot could be a faulty injector or coil/spark plug issue. Worst case would be compression. When did you service the plugs last, that's always a cheap first step if they have not been swapped in a long time. How were your afr's during wot? Post a learning view if possible since it doesn't sound like we can get a wot log safely. Dave [sIGPIC][/sIGPIC] Providing unmatched customer service and a Premium level of Dyno/E-tuning to the Community cryotuneperformance@yahoo.com facebook.com/cryotuneperformance. Link to comment Share on other sites More sharing options...
Infamous1 Posted October 29, 2011 Share Posted October 29, 2011 Still fighting getting that thing running right I see, . I told you almost two years ago when I rode in it. *Note I live in Chino and road tune out of Chino Hills... Link to comment Share on other sites More sharing options...
Recommended Posts
Archived
This topic is now archived and is closed to further replies.