Issues with fuel!!
03lance, his problem might not only be the maf settings, I noticed that I was going to 11.5 with my accel enrichement but I was getting massive hesitation around the 4k and up, so I changed my accel enrich to the stock tephra rom and I was able to get a full pull in with just 1 knock count in one spot. But the only problem is im running really rich like around 10.0 area
try the maf settings if that doesnt help, then we need to look at your accel enrichment so we can get those afrs lowered
try the maf settings if that doesnt help, then we need to look at your accel enrichment so we can get those afrs lowered
I think it was your maf settings are you running 501 or the evo maf?
I think you might need to lower or raise your maf settings, im not sure whih one but I think that might be your problem but mine runs lean during idle and when it warms up for a few minutes it goes back to stoich. "this is on a cold start"
Try that because the map isnt bad at all
I think you might need to lower or raise your maf settings, im not sure whih one but I think that might be your problem but mine runs lean during idle and when it warms up for a few minutes it goes back to stoich. "this is on a cold start"
Try that because the map isnt bad at all
Ok so your Open Loop tables look fine. Your maf scaling seems to be higher all the way through compared to my stock rom idk if you have already changed it though. The scaling that hornstar listed is exact same as my stock. Generally 0-100hz is effective ilding area 125-400hz area effects mainly cruising and 500+ is for WOT and acceleration from what I have read and from my own experiences. You could try to up the maf numbers in that 500+ range. You could just bump them all up like 10 points to see what happens. Definately wont hurt anything as only thing it can do is make it richer.
Looks like I lied too about my airflow hz I see around 1300 max flow right now
Looks like I lied too about my airflow hz I see around 1300 max flow right now
Im running the stock lancer MAF, i have a 501 from my galant but i havnt installed it yet because i cant remember if it was broken or not, but yeah i know its deff not because of the fuel map you did for me bro, again thanks for helping me out! Ill try to adjust the MAF settings.
Ok cool, sounds good, i will adjust the MAF scaling today and take some logs for you guys, Ill use the scaling that hornstar posted up and see if i richen up a bit! Wish me luck
Ok cool, sounds good, i will adjust the MAF scaling today and take some logs for you guys, Ill use the scaling that hornstar posted up and see if i richen up a bit! Wish me luck
Ok, with the numbers you posted up hornstar, my AFR do seem to drop, they hold 11.5 at 0- 1 psi but as soon as im up to 5 psi the afr slowly raise up to 12-13 AFR and im getting alot of knock! What do i do now? keep raising the MAF scaling values around 400 or so until my AFR's become more rich in boost? Also at only 3,500ish RPM, 50% TPS, im seeing over 1,000+ HZ of airflow
Last edited by Mitsu.kid.02; Nov 8, 2010 at 07:53 AM.
Well, then increase the values where you are getting lean....say you see airflow as 450, and you're fine with the AFR, but then at 475 you start going lean, and by 500 you are really lean, then you would increase MAF scaling there at 500 by about 10 I'd say. It should richen up, and then if you hit another plateau up higher, at 600 or 800....then also increase those. If you hit the 255 ceiling, then you're going to know you have maxed out that MAF, and need a new one I think. I've done about 5 sets of pulls where each one got me closer, but in all cases the first pull was generally richer than the next few. Point being, make sure you get a few pulls in first, and don't just trust the one.
I also find it helpful when I go through my logs, to filter by load, showing only "slightly pre-boost" and up. Then I keep a notepad open, and write down "lean 450-550 hz, fine 550-800" and so I have a log of 5 pulls, and notes on each, I can make sure there is a trend, and not just 1-off odd log values.
*edit* also, just try to keep the MAF scaling somewhat "smooth". If you jack it up higher at 500 than at 800 for example, you'll confuse yourself with the AFR map. try to increase them so that it fits your AFR map, don't adjust both at the same time if you can help it, just get the MAF scaling in check, then fine tune with AFR map.
I also find it helpful when I go through my logs, to filter by load, showing only "slightly pre-boost" and up. Then I keep a notepad open, and write down "lean 450-550 hz, fine 550-800" and so I have a log of 5 pulls, and notes on each, I can make sure there is a trend, and not just 1-off odd log values.
*edit* also, just try to keep the MAF scaling somewhat "smooth". If you jack it up higher at 500 than at 800 for example, you'll confuse yourself with the AFR map. try to increase them so that it fits your AFR map, don't adjust both at the same time if you can help it, just get the MAF scaling in check, then fine tune with AFR map.
Well, then increase the values where you are getting lean....say you see airflow as 450, and you're fine with the AFR, but then at 475 you start going lean, and by 500 you are really lean, then you would increase MAF scaling there at 500 by about 10 I'd say. It should richen up, and then if you hit another plateau up higher, at 600 or 800....then also increase those. If you hit the 255 ceiling, then you're going to know you have maxed out that MAF, and need a new one I think. I've done about 5 sets of pulls where each one got me closer, but in all cases the first pull was generally richer than the next few. Point being, make sure you get a few pulls in first, and don't just trust the one.
I also find it helpful when I go through my logs, to filter by load, showing only "slightly pre-boost" and up. Then I keep a notepad open, and write down "lean 450-550 hz, fine 550-800" and so I have a log of 5 pulls, and notes on each, I can make sure there is a trend, and not just 1-off odd log values.
*edit* also, just try to keep the MAF scaling somewhat "smooth". If you jack it up higher at 500 than at 800 for example, you'll confuse yourself with the AFR map. try to increase them so that it fits your AFR map, don't adjust both at the same time if you can help it, just get the MAF scaling in check, then fine tune with AFR map.
I also find it helpful when I go through my logs, to filter by load, showing only "slightly pre-boost" and up. Then I keep a notepad open, and write down "lean 450-550 hz, fine 550-800" and so I have a log of 5 pulls, and notes on each, I can make sure there is a trend, and not just 1-off odd log values.
*edit* also, just try to keep the MAF scaling somewhat "smooth". If you jack it up higher at 500 than at 800 for example, you'll confuse yourself with the AFR map. try to increase them so that it fits your AFR map, don't adjust both at the same time if you can help it, just get the MAF scaling in check, then fine tune with AFR map.
Gotcha, so basically keep the MAF scaling smooth and increese the values where i show lean conditions. What did you mean about 255 celing? Or maxing out the MAF? How can i tell if i have maxed out the MAF sensor? My MAF size in ECUflash is 215.7/GS, so basically when i have values as high or higher than 215.7/GS i have maxed out my MAF sensor correct? Right now i have values higher than 215.7/ GS, so i need to re-scale the MAF scaling again so it wont exceed the 215.7/ GS and since im still lean i need to adjust my fuel map now?? Thanks for sharing with me your info man really appreciate it
Last edited by Mitsu.kid.02; Nov 8, 2010 at 08:40 AM.
Gotcha, so basically keep the MAF scaling smooth and increese the values where i show lean conditions. What did you mean about 255 celing? Or maxing out the MAF? How can i tell if i have maxed out the MAF sensor? My MAF size in ECUflash is 215.7/GS, so basically when i have values as high or higher than 215.7/GS i have maxed out my MAF sensor correct? Right now i have values higher than 215.7/ GS, so i need to re-scale the MAF scaling again so it wont exceed the 215.7/ GS and since im still lean i need to adjust my fuel map now?? Thanks for sharing with me your info man really appreciate it
As far as "maxing" the highest number you can put in the right hand side of the MAF scaling table, is 255....so if you hit that, and then you are still too lean....and you lower your AFRMAP as low as possible, and you're STILL too lean....then you've maxed that MAF out and need to get the evo one I think. Don't mes with the MAF size, that 215 /GS stuff, just leave that stock. It's just a measurement, like injector scaling or something similar. It's calibrated for the sensor and shouldn't change, just leave it be.
Yes, AMP up the numbers on the right side of the MAF scaling until you're good as far as AFR's, but you gotta log AFR to really be able to determine accurately which airflow HZ numbers are causing you problems.
Keep MAF scaling smooth to prevent sharp changes in AFR compared to the fuel map. You wouldn't want odd spots, like a really high number just at 600 that gives you a weird fuel map.
As far as "maxing" the highest number you can put in the right hand side of the MAF scaling table, is 255....so if you hit that, and then you are still too lean....and you lower your AFRMAP as low as possible, and you're STILL too lean....then you've maxed that MAF out and need to get the evo one I think. Don't mes with the MAF size, that 215 /GS stuff, just leave that stock. It's just a measurement, like injector scaling or something similar. It's calibrated for the sensor and shouldn't change, just leave it be.
Yes, AMP up the numbers on the right side of the MAF scaling until you're good as far as AFR's, but you gotta log AFR to really be able to determine accurately which airflow HZ numbers are causing you problems.
As far as "maxing" the highest number you can put in the right hand side of the MAF scaling table, is 255....so if you hit that, and then you are still too lean....and you lower your AFRMAP as low as possible, and you're STILL too lean....then you've maxed that MAF out and need to get the evo one I think. Don't mes with the MAF size, that 215 /GS stuff, just leave that stock. It's just a measurement, like injector scaling or something similar. It's calibrated for the sensor and shouldn't change, just leave it be.
Yes, AMP up the numbers on the right side of the MAF scaling until you're good as far as AFR's, but you gotta log AFR to really be able to determine accurately which airflow HZ numbers are causing you problems.
Ok, ill PM you about the serial cable. Yeah it seems if i accel SLOW into boost i can keep AFR around 115.-11.7 but if i accel fast in boost the AFR start to raise pretty fast. Ill keep ajusting little by little, check yours PM's
Yeah, I think the accel enrichment that steven was mentioning might be somewhat useful, since that's what accel enrich is for, that throttle stab....but if you stay lean all the way up like I do, then Maf scaling makes the real diff. Just as a general rule of caution, if you see AFR's above like 13, probably best to just let off the gas, give it another pull to confirm, but if that's teh case....fix the AFR, and pull again...but don't risk problems with those high knocks and lean afr's, our little puppy engines can only take so many kicks to the butt before they crap.
You've got a Uego AEM wideband, right?
03lance, his problem might not only be the maf settings, I noticed that I was going to 11.5 with my accel enrichement but I was getting massive hesitation around the 4k and up, so I changed my accel enrich to the stock tephra rom and I was able to get a full pull in with just 1 knock count in one spot. But the only problem is im running really rich like around 10.0 area
try the maf settings if that doesnt help, then we need to look at your accel enrichment so we can get those afrs lowered
try the maf settings if that doesnt help, then we need to look at your accel enrichment so we can get those afrs lowered
238whp and 244wtrq!!!! plus I am getting more power at the lower rpms too. Definately would not hurt to adjust the aceel enrichment.
Yeah, I'm gonna drop by the UPS store or wherever I see on the way home and pop it in the mail. As far as that slow/fast accel thing....I have a similar issue, and what I've been finding is that the less I push on the throttle, the less load I see and less airflow. So, I need bigger changes to the MAF scaling table than I initially thought. I will continue to tune it, but I also ordered the evo 399 MAF, and that will probably make it a whole diff ballgame.
Yeah, I think the accel enrichment that steven was mentioning might be somewhat useful, since that's what accel enrich is for, that throttle stab....but if you stay lean all the way up like I do, then Maf scaling makes the real diff. Just as a general rule of caution, if you see AFR's above like 13, probably best to just let off the gas, give it another pull to confirm, but if that's teh case....fix the AFR, and pull again...but don't risk problems with those high knocks and lean afr's, our little puppy engines can only take so many kicks to the butt before they crap.
You've got a Uego AEM wideband, right?
Yeah, I think the accel enrichment that steven was mentioning might be somewhat useful, since that's what accel enrich is for, that throttle stab....but if you stay lean all the way up like I do, then Maf scaling makes the real diff. Just as a general rule of caution, if you see AFR's above like 13, probably best to just let off the gas, give it another pull to confirm, but if that's teh case....fix the AFR, and pull again...but don't risk problems with those high knocks and lean afr's, our little puppy engines can only take so many kicks to the butt before they crap.
You've got a Uego AEM wideband, right?
. Yeah i have the AEM Uego wideband, thanks alot man for helping me outI was having problems going with my accel enrichment too. I went back to my stock lancer values and it really helped me out. My issue was going too rich though so changing that leaned the out a little. I have been actually leaning out my car a little by little to reach the 11.5 afr point and my results have been great. I was at around 11.0 before and bumping up the afrs I have actually gained a noticable amount of power and my egts and knock counts are great. I am leaving it at the 11.5 mark. Yesterday I did some more logs and my VDR showed a max of
238whp and 244wtrq!!!! plus I am getting more power at the lower rpms too. Definately would not hurt to adjust the aceel enrichment.
238whp and 244wtrq!!!! plus I am getting more power at the lower rpms too. Definately would not hurt to adjust the aceel enrichment.
Last edited by Mitsu.kid.02; Nov 8, 2010 at 10:46 AM.
Be careful not to make accel enrichment changes without cause though, if you're lean or rich on "accelerator stab" then change it, but as you run through the RPM range, you shouldn't adjust it all that much, more fuel table and Maf Scaling. that cable will go out today, but I'm not gonna cut the end off or anything. Each of the pins is numbered on the plug, so if you have a continuity tester, use that to determine which color goes to which. I should have written down which was what, but I forgot to and now I can't see the dang thing since it's behind my A-Pillar. Tell me if you don't know how to or don't have a multi meter and I'll do the test again to tell you what colors are what.
Be careful not to make accel enrichment changes without cause though, if you're lean or rich on "accelerator stab" then change it, but as you run through the RPM range, you shouldn't adjust it all that much, more fuel table and Maf Scaling. that cable will go out today, but I'm not gonna cut the end off or anything. Each of the pins is numbered on the plug, so if you have a continuity tester, use that to determine which color goes to which. I should have written down which was what, but I forgot to and now I can't see the dang thing since it's behind my A-Pillar. Tell me if you don't know how to or don't have a multi meter and I'll do the test again to tell you what colors are what.
Ok cool, ill do some more testing tonight with the accel enrich, ill push the throttle hard at like 2000 RPM and see what my AFR readings are, see if there lean or not. I have a volts meter but i dont think i have a continuity tester, so its basically two wires? one connects from my wideband gauge and the other is ground?
AEM's Instructions:
Two wires need to be connected to a RS-232 serial port. The BLUE wire from the AEM
UEGO Gauge shall be connected to Pin #2 (RX) on the serial port for receiving data. Pin # 5 (GND) on the serial port shall be grounded. If a standard 9-pin serial cable is to
be cut instead, the (RX) wire is typically RED and the (GND) wire is typically GREEN.
However, this should be confirmed with a continuity tester before attempting. (Figure 5)
Use HyperTerminal for testing the data stream. This software is found on most PCs. To find HyperTerminal go to: Start | All Programs | Accessories | Communications | HyperTerminal. Name the New Connection and click OK. Set the COM port to the one being used and click OK.
Bits Per Second = 9600
Data Bits = 8
Parity = None
Stop Bits = 1
Flow Control = Hardware
Verify the settings above and click OK. When power is supplied to the AEM UEGO
Gauge, AFR (or Lambda) data will be displayed, as shown below. (Figure 6)
Figure6 basically just shows a window with afr numbers in it, but you aren't going to be able to use hyperterm if you have Windows7 as it's not included. Best bet, just tick external wideband in evoscan, select the first comport in the external wideband evoscan menu, and make sure AEM Uego is ticked, and then start data logging and see if it shows up. Make sure the gauge is on obviously, and make sure you don't have any electrical connections bare or dangerous when you do turn the key on. I don't know if there are any problems to wiring in the gauge with the battery on or disconnected, but safety would tell you to disconnect the battery. I think just because you are going to be near wiring already, you ought to be careful. know that your ecu will probably reset once the battery is removed, so it's gonna run rough till it relearns.
Aight, I tested them out. Orange is pin 5, and brown is pin 2 on my cable here. I went ahead and snipped the end off to test, so yeah, you'll wire brown, ie pin 2, to the blue on the AEM gauge and you will wire orange, ie pin 5, to a ground source. Here's an excerpt from AEM's instructions. Also PLEASE do not sue me or be angry if you mess anything up. I tested that these 2 wires are the proper ones, but don't make me stake my life on it, because I screw up constantly. Also, the colors quoted below don't appear to match, so you should probably ignore them (as this is not a standard serial cable, it's a UPS serial cable).
AEM's Instructions:
Two wires need to be connected to a RS-232 serial port. The BLUE wire from the AEM
UEGO Gauge shall be connected to Pin #2 (RX) on the serial port for receiving data. Pin # 5 (GND) on the serial port shall be grounded. If a standard 9-pin serial cable is to
be cut instead, the (RX) wire is typically RED and the (GND) wire is typically GREEN.
However, this should be confirmed with a continuity tester before attempting. (Figure 5)
Use HyperTerminal for testing the data stream. This software is found on most PCs. To find HyperTerminal go to: Start | All Programs | Accessories | Communications | HyperTerminal. Name the New Connection and click OK. Set the COM port to the one being used and click OK.
Bits Per Second = 9600
Data Bits = 8
Parity = None
Stop Bits = 1
Flow Control = Hardware
Verify the settings above and click OK. When power is supplied to the AEM UEGO
Gauge, AFR (or Lambda) data will be displayed, as shown below. (Figure 6)
Figure6 basically just shows a window with afr numbers in it, but you aren't going to be able to use hyperterm if you have Windows7 as it's not included. Best bet, just tick external wideband in evoscan, select the first comport in the external wideband evoscan menu, and make sure AEM Uego is ticked, and then start data logging and see if it shows up. Make sure the gauge is on obviously, and make sure you don't have any electrical connections bare or dangerous when you do turn the key on. I don't know if there are any problems to wiring in the gauge with the battery on or disconnected, but safety would tell you to disconnect the battery. I think just because you are going to be near wiring already, you ought to be careful. know that your ecu will probably reset once the battery is removed, so it's gonna run rough till it relearns.
AEM's Instructions:
Two wires need to be connected to a RS-232 serial port. The BLUE wire from the AEM
UEGO Gauge shall be connected to Pin #2 (RX) on the serial port for receiving data. Pin # 5 (GND) on the serial port shall be grounded. If a standard 9-pin serial cable is to
be cut instead, the (RX) wire is typically RED and the (GND) wire is typically GREEN.
However, this should be confirmed with a continuity tester before attempting. (Figure 5)
Use HyperTerminal for testing the data stream. This software is found on most PCs. To find HyperTerminal go to: Start | All Programs | Accessories | Communications | HyperTerminal. Name the New Connection and click OK. Set the COM port to the one being used and click OK.
Bits Per Second = 9600
Data Bits = 8
Parity = None
Stop Bits = 1
Flow Control = Hardware
Verify the settings above and click OK. When power is supplied to the AEM UEGO
Gauge, AFR (or Lambda) data will be displayed, as shown below. (Figure 6)
Figure6 basically just shows a window with afr numbers in it, but you aren't going to be able to use hyperterm if you have Windows7 as it's not included. Best bet, just tick external wideband in evoscan, select the first comport in the external wideband evoscan menu, and make sure AEM Uego is ticked, and then start data logging and see if it shows up. Make sure the gauge is on obviously, and make sure you don't have any electrical connections bare or dangerous when you do turn the key on. I don't know if there are any problems to wiring in the gauge with the battery on or disconnected, but safety would tell you to disconnect the battery. I think just because you are going to be near wiring already, you ought to be careful. know that your ecu will probably reset once the battery is removed, so it's gonna run rough till it relearns.