Eric Godden
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Eric Godden joined the community
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Problem resolved, apparently the e-throttle was not calibrating completely.
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I updated to the new firmware last night, went through all the hoops...I went to calibrate the e-throttle, calibrated that in On-Setup, calibrated FPS, cleared codes, switched the throttle to the ON selection and then I get a fault and limited rpm to 1800 (although with the selector in the ON position the throttle does not respond anyway). I have tried recalibrating several times and the fault is a AUX 9/10 Supply Error, from what I can tell the settings are still correct, anyone have some ideas on whats going on?
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bump any other suggestions for stock wiring and plugs?
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Almost always changed by changing spark plugs to resistive types? I'm using the stock plugs...
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At least this isn't just my car doing this. I have the wire-in version so I don't see how it could be a wiring issue unless it was wrong from the get go. Looks like we will be waiting for a response from the Link Gurus.
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I am having the same problem? was this ever resolved? All of my plugs and wires are in good shape, still disconnected at ~15psi, 210kpa map to be exact. The plugs and wires are stock. Car is a 07 USDM Subaru STI.
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G4 Xtreme 2007 USDM STI runs leaner in low gears, best solution?
Eric Godden replied to Eric Godden's topic in Link G4
I think this is a great idea. I will have to try this. -
G4 Xtreme 2007 USDM STI runs leaner in low gears, best solution?
Eric Godden replied to Eric Godden's topic in Link G4
I took off roughly 2/3 of the plastic so there is still a bit on there. The IAT sensor never reads exactly what the ect sensor reads if memory serves me but I will confirm that. As far as fuel pump speed I am usning a walbro 255 which I am pretty sure should use the same as factory. I used it with the original ecu without changing anything. -
So here is my issue. I am using open loop e-throttle. My idle afrs tend to very widely even with the same cell being used depending on what is going on. Its rich on return to idle, its lean on warm/hot restart. I don't think my IAT sensor is causing the lean condition. I have some problems with my idle, essentially when I go to neutal or clutch-in and the car returns to idle it will idle at 12.9 ~13.9 afrs, usually starting at 12.9 and then slowly increasing to 13.9. If I turn the car off and restart it the afrs at idle will be where I have set them ~15.0afr. If I lean out the cells to remove the rich afrs then I idle very lean at other times. Another issue I am having is that if for example I drive for 20min, park, then restart the car about sitting for maybe 10min or so the car will idle very very lean 16.0 afrs +-.5, this is with the same settings as I have when the idle is rich. If I go drive the car for just a minute or two this lean condition will go away. When this is occuring the car is hot and there is usually no post start or warmup enrichment., I will start another post with these problems for neatness. Thasnks for all the help. -Eric
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G4 Xtreme 2007 USDM STI runs leaner in low gears, best solution?
Eric Godden replied to Eric Godden's topic in Link G4
Have you had a chance to review my map dave? Read below but I still would like any opinions you have on it. I did have a bit of luck. I reloaded a map and had to recal the e-throttle when it did that it seems to have calibrated it differently than previously. Now I require more throttle plat request to achieve the same idle speed (open loop e-throttle control) but this has almost removed all discrepencies between the low and high gears as far as afrs. I have a few spots still but I think these are just untuned cells. I still have some problems with my idle, essentially when I go to neutal or clutch-in and the car returns to idle it will idle at 12.9 ~13.9 afrs, usually starting at 12.9 and then slowly increasing to 13.9. If I turn the car off and restart it the afrs at idle will be where I have set them ~15.0afr. If I lean out the cells to remove the rich afrs then I idle very lean at other times. Another issue I am having is that if for example I drive for 20min, park, then restart the car about sitting for maybe 10min or so the car will idle very very lean 16.0 afrs +-.5, this is with the same settings as I have when the idle is rich. If I go drive the car for just a minute or two this lean condition will go away. When this is occuring the car is hot and there is usually no post start or warmup enrichment., I will start another post with these problems for neatness. Thasnks for all the help. -Eric -
I have the proper calibration data entered in to the table in the link. For grounds I am not sure where the ecu is grounded, so I grounded the LC-1 to the 2 ground leads from the 4wire wideband connector that comes off the link. I grounded the heater ground from the LC-1 to one of the wires and the controller ground to the other. Do you have any suggestions on where I could try grounding it besides this? Also I have the LC-1 digital gauge and that is grounded to the same source and reads identical to the LC-1, however the link seems to be reading about .5 afr off of everything else. Where should I ground it?
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G4 Xtreme 2007 USDM STI runs leaner in low gears, best solution?
Eric Godden replied to Eric Godden's topic in Link G4
Making some better progress using a 4d table tps/rpm to add a bit. However I'm a little lost. Should a I tune the fuel table in say 3rd gear for as many cells as I can with this 4d table off and then adjust the table to get 1st and 2nd gears correct or some other avenue. Essentially the problem I am running into is if I adjust the 4d table to get 1st and 2nd where I want them then if I happen to be crusing in 5th or 6th my afrs are 13.5 or so instead of 14.7. I'm trying to avoid using closed loop wbo2 as I consider that a patch. Any input? -
G4 Xtreme 2007 USDM STI runs leaner in low gears, best solution?
Eric Godden replied to Eric Godden's topic in Link G4
I will give that a go thanks -
I will try that but according to the documentation I have with my lc-1 its 0v=7.35 and 5v=22.49