Mazdaspeed 3 afr at wot I should clarify, it's not only losing pressure at WOT. AFR calculated numbers are within 0. Easter Bunny Professional Engineer Motorhead Platinum Member. ↳ MAZDASPEED3/Mazda 3 MPS Tuning; ↳ MAZDASPEED6/Mazda 6 MPS Tuning; ↳ CX-7 Tuning; ↳ Gen 2 Tuning; ↳ MAZDASPEED3/Mazda 3 MPS Tuning; ↳ Mazda RX-8; ↳ Series II Tuning; Open navigation Go to Reddit Home. Here look that your AFR targets are met and there isn't more than a 0. 5% of requested values, this will change as I am starting the leaning out procedure ( 11. 76. 85 (02 sensor 1, bank 1 low voltage CEL shows up as well, and stuck afr sometimes jumps between 14. 5-1 Mazda Mazdaspeed3 Cars and Motor Vehicles Mazda comments sorted by The problem I’m having is when I go wot after I shift say from 2nd to 3rd and continue wot my afr goes to the lowest like 8. Are you actually targeting 11 AFR at WOT? It's jumping between 11-10. They are a wear item Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting > Home. If this is the case then go ahead and do a WOT log. The last table shown above is the OL/WOT Commanded AFR table with knock. ↳ Mazda 2. Potential my tune was pulling fuel causing it to hesitate but I’m unsure. CPE HPFP, CPE FMIC+HKS BOV, CPE Injector Seals, 3" GHL CBE +Res, EGR Delete, BSD w/ Gpwerks Baffle, Labonte W/M Kit w/ FS & D05 Nozzle, Stage 2 STS, VersaTune user forum is dedicated to the users of VersaTuner - tuning software for Mazdaspeed, Mazda MPS, CX-7 and RX-8 vehicles. I want a somewhat safe tune. Mazda General Discussions Right now in my 2013 Mazdaspeed 3, I'm running a Corksport induction system (same MAF size as stock) and a cobb stage 1+ tune. Watchers: 3 users. When normal driving you should be around Figures 1 – 3 show dynamometer graphs of horsepower, torque, and important for comparison, air fuel ratios (AFR) for an unmodified or stock MS6 and a 335i. 5v range looks like for me: How does this compare to bone stock? Let's see: Well, that's a little bit of a change, innit? What you can't actually see here, is that this increase is For some reason I thought you wanted to be below 12. Joined: Jun 1, 2019 Forums > Mazdaspeed 3/6 General Section > Mazdaspeed 3/6 ECU Tuning > Safe Tune. Actual AFR not matching Desired AFR at WOT is often due to MAF calibration or some other mechanical issue related to air or fuel metering. Forums > Mazdaspeed Knowledgebase > Mazdaspeed Troubleshooting Knowledgebase > Mazdaspeed 3 Troubleshooting Knowledgebase (07-13) > P2188 - The source of the problem Discussion in ' Mazdaspeed 3 Troubleshooting Knowledgebase (07-13) ' started by Speedhunter , Oct 9, 2019 . 5. 3 and 14. Come join the discussion about MazdaSpeed performance, modifications, classifieds, I'm tuned by PD and my usual AFR target seems to be around 11. Ya, so if you do a few maf cal logs in second gear and then do a maf cal you'll be No matter hoe much I calibrate/scale the MAF, I keep missing AFR targets (on the lean side) when going WOT. To my knowledge those number are about perfect. So for correcting WOT AFR's, just reflash, and go WOT. neganox, Sep 26, 2018 #2. 3 AFR deviation from the targets under steady WOT operation. 4 AFR WOT. Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting > Negative LTFT at Idle, KR at WOT. 3, after cleaning valves and injectors I notice my AFRs at WOT are closer to 10. ) to add more ignition timing, thereby allowing you just highlight the WOT area you made (see acceleration pedal position data), then go to the dyno tab and enter all the 2012 Mazda 3 Skyactiv sedan 6 spd MTX Forums > Mazdaspeed 3/6 General Section > Mazdaspeed 3/6 ECU Tuning > Lets talk Virtual Dyno. Discussion in 'Mazdaspeed 3/6 ECU Tuning' started by StreetSpeed6, Jun 16, 2018. Atlassian uses cookies to improve your browsing experience, perform analytics and research, and conduct advertising. Discussion in 'Mazdaspeed 3 Troubleshooting' started by Greg Senge, Nov 3, 2020. Jan 29, 2009 #9 Is it around 14. The afr is 29 at idle, 12. 3, Afr Is 14. 7 or 17. Jwayne Greenie N00B Member. This allows the ECU to "learn" how this Negative LTFT at Idle, Rich AFR at WOT. 802 at 4500 rpm, and under overload/knock I have set to . 2008 Mazdaspeed3: Freek tuned, Cst4, CS 3. r/WRX. However actual AFR is running at a 12. When this occurs afrs ramp up to the 13s right after the hesitation. 85 at idle Cruising is about the same 14. He said he thought I might need a Opinions? Is there even a definate fuel to air ratio where the engine is going to start to have detonation? I hear people running 10 or 9:1but other people comment that that mixture is to lean. 1% and when coasting its -3. I think it would also be VERY interesting for someone with a stock speed6 and a dashhawk to log the afr in a WOT run in fourth. It's got upgraded internals though. I compared the HPFP pressures out of boost with my friend Mazdaspeed 3 and are the same. I've also noticed that the PO had set the EBCS up with ports on the boost reference and wastegate at 1/4" fittings whereas all the other fittings are 3/16 standard. 0 at 5k rpm (and violently rocked the car back and forth with just loss of power) The car seemed to run fine last year, I even managed to make three autocross events. I've been trying to trace an issue with very negative fuel trims at idle, KR at WOT and pig-rich AFR conditions during WOT runs. ↳ MAZDASPEED3/Mazda 3 MPS Tuning; ↳ MAZDASPEED6/Mazda 6 MPS Tuning; ↳ CX-7 Tuning; ↳ Gen 2 Tuning; ↳ MAZDASPEED3/Mazda 3 MPS Tuning; Hello, I want to explain my actual situation with my Mazda 3 MPS Gen1 (European Mazdaspeed3). The AFR's at WOT are 9. 986, when I have it 2015 Mazda 3 GT // Raybestos Element Pads // Bilstein B4 all around // Suspensia Endlink (OE Equivalent) // Siberian Rear Swaybar bushing, Rear An engine operating at WOT (wide open throttle) on top of a very high mountain has a MAP of about 15" Hg or 50 kPa (essentially equal to the barometer at that high altitude). running single digit afr's are normal when mazda tunes their turbo cars. 0 and 2. 0. Discussion in 'Mazdaspeed 3/6 ECU Tuning' started by JohnnyTightlips, the goal is to get the requested Just for my own sanity, I loaded a stage 2 ots map, and only changed injector scalar and specific gravity to match my e85 content. The next day I checked the gaps on my plugs, they were set to 0. Slow07speed613 Greenie N00B Member. Duey1083, May 5, 2022, in forum: Mazdaspeed 3 Troubleshooting. 78 3" V-Band Hotside, SteedSpeed Top Mount Mani w/ Tial 38 EWG + Hallman MBC @ 25psi, Custom DJ Intake/DP/Oil Lines. Ive datalogged but im not sure how to post the log Forums > Mazdaspeed 3/6 General Section > Mazdaspeed 3/6 ECU Tuning > Commanding 11 afr and getting 11. 5 to run rich AFRs in WOT, particularly the 2. A forum community dedicated to Mazda 3 and all Mazda vehicle owners and enthusiasts. 1-14. I am running rich, which I believe is the tune overcompensating being lean earlier. OV Tuned skyactiv's run close to 13:1 in WOT; this AFR is commonly known to work best for efficiency and power. Discussion in 'Mazdaspeed 3 Troubleshooting' started by Duey1083, May 5, 2022. 2015 Mazda 3 GT // Raybestos Element Pads // Bilstein B4 all around // Suspensia Endlink (OE Equivalent) // Siberian Rear Swaybar bushing, Rear (WOT). Watchers: 5 users. seafoamed my car as well. Come join the discussion about MazdaSpeed performance, modifications OK folks - I have an 08. Like x 3; Easter Bunny Professional Engineer Motorhead Platinum Member. A quick perusal 1) AFR - When I go WOT, especially when I'm running a methanol/ethanol mix, I'll periodically verify that I'm achieving my target AFR (11. No, I I purschased VersaTune for tuning my 2007 Mazdaspeed 3 BK. Map 5: Mazdaspeed 14psi map Created by kicker22705 Custom Map added safety after 5500 rpms, 440cc injectors needed. 4-14. That leads us to the second table, the OL/WOT commanded AFR table. AFRs appear to be good hanging around 14. They're not super high either, less than 2. Drove another 20 miles, wot again, same thing 12. Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting > Odd Data From AP V3. 6 afr. 6, you're having some issues (more below). Discussion in 'Mazdaspeed 3 Troubleshooting' started by brainbot1, Aug 30, 2016. 2006 MS6 GT W/ Navi (40K): T3 Twinscroll GT3076 . Yeah sure its fine to drive around and your not getting knock and your afr's are ok, but if the pressure is dropping off that hard then the VOLUME (what matters) is significantly droppng and the performance of your car is suffering. 0 afr above 4000 at wot. Having done a lot of self-tuning, seeing WOT AFRs in the mid to high 12s would not be consistent with running a stock intake vs. Now power wise it don't feel much faster. I have ran out of ideas. csv File size: 6. our WOT LTFTs are developed using information from when the car is running under heavy throttle. Feel free to check all the systems I've checked below; though keep in mind I have yet to actually fix my boost issue. However, it "felt" as if the turbo A forum community dedicated to Mazda 3 and all Mazda vehicle owners and enthusiasts. Knock can be caused by a Afr is 11. Before it never did that. 7 on idle, HPFP pressure is 430. My Daily Driver. Negative Now, I have a custom made 3. 5 at WOT, 14. The scariest part is we've seen on the mazda 3, stock vehicle with aftermarket SRI, temps above 90* and the Knock ignition reduction maxed out. Negative LTFT at Idle, Rich AFR at WOT. Discussion in 'Mazdaspeed 3 Troubleshooting' started by Redline, Rich AFR at WOT. As you can see, in wot it is always below 11. AFR's are in the high 12's, LTFT is 10-15. Discussion in 'Mazdaspeed 3/6 ECU Tuning' started by Mr Charge, Jun 21, - I am also having trouble achieving the afr goals. So i just gave a generic 2008. 8 thru boost and the studders. I same problem with my 08 ms3 i have been having the same problems at wot i changed everything i could think and check except the injectors. 0 AFR's at wot and be totally safe if it were to lean out to like 12. Here’s where it gets weird if I roll into it afrs are perfect. 5 MS3, MS CAI, AP running v1. As long as it is holding above 1500 at WOT you don't have a problem. 7? Discussion in 'Mazdaspeed 3/6 ECU Tuning Santa Clara, CA Ratings: +116 / -0. 8 ). It's anything over 60-70% throttle. Click to expand he didnt say if it was under load, or just idling. I will make a note of this in the 5th video that is still yet to come. . Like x 2; Raider Administraider Administrator Platinum Member. 60 A/R w/ . Stock intake system and everything. Here a recent datalog of mine if you cant something Hi! So I have a 2008 Mazdaspeed 3, pretty stock; resonator delete, secondary cat delete, corksport intake & cobb accessport. 4 at load, and reached a low of 9. 3) code p0300 came up and the hesitation/sputtering at WOT. Under WOT normal, I have max rich set to . 5 and 11. Save Share AFR "lambda" looks fine to me. 5 Mazdaspeed 3. 3 afr from 3 to 4k so I lifted. 2005 Mazda 6 MPS BNR Stage 2 Turbo, DNP Manifold, CP-e Safe Seals, Corksport ↳ MAZDASPEED3/Mazda 3 MPS Tuning; ↳ MAZDASPEED6/Mazda 6 MPS Tuning; ↳ CX-7 Tuning; ↳ Gen 2 Tuning; ↳ Having a post MAF leak may or may not show a lean AFR at WOT. checked the plugs the gap the coil packs i upgraded my internals with the autotech ones about 3k ago thinking that would fix it. This table sets the desired AFR for high load open loop conditions. 2-0. For WOT/intermittent use it is functional for testing, and jetting to correct AFR's is simple. DI spray, AFR, VVT calibration, etc. 2010 Mazda 3 iSport- SOLD. Related Mazda Mazdaspeed3 Cars and Motor Vehicles Mazda forward back. I wanted to check my HPFP's psi through peak boost, and I read on cobbs webpage to do a 2k-6k rpm WOT 3rd gear pull. 7 when idling and cruising, I thought all was good. For More Maps, see the following posts: Stock values on the 2016 2. Duey1083, May 5, 2022, Forums > Mazdaspeed 3/6 General Section > Mazdaspeed 3/6 ECU Tuning > Versatune Pump Gas tuning guide. 8 at idle. The knock reading still seems to be there, although I'm not going WOT, so the numbers likely aren't extremely significant. 3) Since the AFR target is 11. 44 in the logs, which is a bit rich. Replies: 23 Views: 3,460. Enki May 9, Mazdaspeed 3 e85 Tuning Project and Guide. Goal is to smoothen the power- and torqueband and tune it up a little bit. Come at wot my AFR fluctuates between 10. 1 at WOT and LTFT is within -1. 5 map sensor, Cobb turbo inlet and intake, cpe top mount IC, Damond pcv plate w/ new pcv, Corksport occ. Throttle position reads 76-78 when you do. 0L is about 12. 5, I might get a new intake and re-tune but wanted to ask if it's bad for the car to stay like this in the meantime. Accept all cookies to indicate that you agree to our use of cookies on your device. Also, I ran the car with spill valve disconnected and ran great. Joined: Sep 12, 2024 Posts: 3 Trophy Points: 1 Location: I heard even at cruise -7. i stay over 1800lbs afr is around 11. Replies: 23 Views: 3,529. 3-13. Maybe we're supposed to be in the 12-13 Mazda 18x8 RX-8 wheels MSD Dashhawk CPE Rear diff mount Remus Racing Cat back Redline Tuning Hood Quicklift Elite Stri Boost Gauge block8head Vent pod Autoexe TMIC Posted by u/[Deleted Account] - 3 votes and 2 comments Once you get to calibrating your WOT AFR's, you dont need to put any miles on because at WOT you will be in open loop and the ECU will not have any saved trims, it will go strictly off the values you put in your MAF table. 2012 mazdaspeed 3 . SO today I was driving to autozone to get some touch up paint after some d**k dinged my door. Joined: Oct 31, 2020 Posts: 7 Trophy Points: 1 Location: Pennsylvania Ratings: +0 / -0. My mods are listed in my sig. Boost is right about 15. Jan 29, 2009 #10 Mazdaspeed Protege Forum. It 2013 Mazdaspeed 3 Tech pack Am I at risk here??? Or are you guys just talking about AFRs at WOT (or near WOT)? Thanks. 85 and 29. 6 at normal operation and off coarse 0 at wot. Adam_G987, Mar 28, 2022 #1. Advanced Search Cancel Create thread New Forums More Login / Join My AFR has become very lean and I cannot come to the conclusion why this is, and i feel as if it is becoming leaner as time goes on. afr at WOT?? Thread starter msp727; Start date Aug 10, 2010; M. Watching the real time logs on my dash for torque pro app, I see my idle and cruising AFR measured around . Since it seemed to be around 14. I'm trying a tmic and one step colder plugs since it's insanely hot here I Forums > Mazdaspeed 3/6 General Section > Mazdaspeed 3/6 ECU Tuning > MafCals for Bigger Intakes. Save Share Reply Quote Like. It was commanding 11. 35 with boost at WOT. 25), which I assume just means its going bad, or the wiring is corroded, and the AFR was stuck when this happened, (although I thought the car doesn't go off 02 sensor when at WOT). r/mazdaspeed3 A chip A close button A chip A close button After applying the LTFT, checks the wideband O2 sensor to see how close it got to its commanded AFR and decides if it still needs to add/subtract an additional STFT to achieve its commanded AFR. for me it's just a bit rich because I had the injectors cleaned after I was tuned. 9 but i can tell it wants to add 400 at idle, above 1600 at WOT is the standard for an okay valve if I'm remembering correctly. I'm experiencing AFR around 10:1 on WOT and my boost is under at 5-7psi around 3200 rpm (supposed to be 15psi). 51, I set them to 0. 5 for a second while Mazdaspeed 3 Lean AFR @ Idle. 8 AFR maximum. unfortunately, our stock BPV uses a push-piston which is sealed by the pressure of the spring pushing the piston shut. Drove 50 miles, first wot showed 12. It's normal to see variation, mazdaspeed 3 cosmic boo. Greg Senge Greenie N00B Member. 5L is very similar to flow of the FA20 (FRS) engine, Come discuss all things Mazda 3 from the Mazda GT hatchback to Mazdaspeed, sedan and sport. Feel free to check all the systems I've checked below; though keep in Knock Retard is when the ECU detects knock or pre-knock conditions (detonation) in a cylinder, retards the timing and adds fuel to protect the engine. By a lot. Hey guys, I'm having an AFR issue since a couple of days, i'm running kinda lean in WOT, near 13. That's not good. Come join the discussion about MazdaSpeed performance, modifications, classifieds, troubleshooting, maintenance, and more! Just wondering if my AFR seem off to anyone It’s 14. this does not seal the tightest it Best power with 13. So a log of driving and wot mixed in. 05 MSCAI 93. Now, the AFR at idle and light driving is almost perfect. After a reflash i consistently get 1-4 KR on WOT, and several times I have had audible knock (nailbyt) . The install of the FFS seemed to be pretty straight forward, see this thread. However where you will feel it most is in the 1500-3000 range, where these engines knock the most. Hello ya'll. Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting > fuel trims and wot afr off about 15ish% Discussion in 'Mazdaspeed 3 Troubleshooting' started by Slow07speed613, May 23, 2023. Just to mention one odd observation with the Cobb AP monitoring, it does seemed that the AFR is Anyone that looked at the log would see that. Mazdaspeed 3 Stutter at WOT in 1st Log - Sheet2. Maybe we're supposed to be in the 12-13 range at low rpms My LTFT at idle will range from -3 to -14, going closer to -3 whenever the A/C compressor is on then richer again when it disengages. HPFP actual pressure isn't dropping below 1600 ever at WOT. 3 DISI Turbo; ↳ Gen 1 Tuning; ↳ MAZDASPEED3/Mazda 3 MPS Tuning; ↳ MAZDASPEED6/Mazda 6 MPS Tuning; ↳ CX-7 Tuning; Forums > Mazdaspeed 3/6 General Section > Mazdaspeed 3/6 ECU Tuning > Mazdaspeed 6 stage 3. Bravnik Member. Anyway I just wanted to make sure, since I read another Forums. Aug 10, 2010 #1 Okay so it fixed the afr and fuel trims. A lot of these issues started happening after If you're seeing 9:1 AFR on WOT or normal driving that is rich AF and indicative of a problem, most likely a boost leak. 3 at WOT. I did multiple logs and my psi stayed above 1600. 48k miles, 2 CEL's(random misfires in Cyl. 80 lambda". The 2. It is no A forum community dedicated to Mazda 3 and all Mazda vehicle owners and enthusiasts. Car feels amazing only time it’s off is after a shift it stutters when the afr is so low but almost immediately recovers and feels ok. Generally people tune these cars to 11. And when I'm doing a pull I get 9. 2 AFRs @ WOT was achieved around 32* of timing at 6500RPM, for me at least. 75 afr at WOT maybe richer up top ". 81 is still high should I be looking for leaks? Boost is holding stock psi 15. Would that be too lean? Also I dunno if it's just a peak in the AFR reading but I know if I hit the RPM limiter it gets into the 8s. Any suggestions ? Debating on getting new coil packs since I’ve heard of similar happening and coil packs fixed it for them. Mazda tuned the skyactiv 2. and those cars only ran 8-9lbs of boost . 5 psi boost for the past 50k miles. I'm at this point 99. mazdaspeed 3; Watchers: 3 users. My AFR's run perfectly cruising and run rich at WOT to about 12-12. First thing I immediately notice is you going WOT @ 2,200rpms. After a learning period, it settles down with occasional KR Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting > Lean during WOT. Page 2 of 2 < Prev 1 2. Show Less . Anyway after a few runs, we pulled into a parking lot and talked for a few. Purchase Date 7/3/09. 5" intake on my 2009 Mazdaspeed 3, and this is what the 2 to 2. Joined: Sep 14, 2016 Posts: 426 Trophy Points: 63 Location: Cincinnati Ratings: +417 / -3. Map 3: 440cc Injectors Map Created by Blue_speed Custom Map (Updated Feb 23, 2006) Map 4: Winter FMIC Map Created by jeffmsp For low temp use. 8 Under load or WOT running about 8. Everything looks pretty normal except that your AFR's go pretty rich. even back in the late 80's-early 90's the mx6 GT would settle into a 9. 2-12. Fuel pressure is holding at 1800 at WOT. Someone on mazda 3 forums mentioned in a thread on "running too rich" that the manufacturers in general run turbo GDI's rich to keep the exhaust I think it would also be VERY interesting for someone with a stock speed6 and a dashhawk to log the afr in a WOT run in fourth. 1 - 9. Rich AFR at WOT. 032 (OEM spec) and my car has been running great since. You never actually hit WOT. okay so under WOT my LTFT is 3. Top. msp727 Member. 60 and holds. 3 from 3 to almost 5k before I lifted. Home if your pressure is lower than 1600 at any time under boost, you should worry. It is a Windows application that allows reflashing/remapping (chip tuning) of Mazda MZR DISI and rotary engine ECUs, data logging, tune editing and diagnostics. Sounds good, my pump will see 15-1600+ just daily driving (using the DashHawk to monitor it) So under WOT it should be just fine. Typically AFR should be in the 11:1's on a tuned car unless of course you're on piss water 91 octane then you dip into 10's You can’t judge your tune off of the minimum and max that your ap shows. Enki May 9, 2022. There was a bit of Knock retard in one of the pulls which was concerning me a bit. 0 ish, little rich, but the pressure is what concerns me because I hear that if you go below 1500 psi on WOT can zoom zoom your speed. There is no need to chase the "ideal" 0% LTFT. 7-14. Advanced Search timing was on point and so was the compression. The problem I am seeing is when I push the throttle (not even necessarily WOT) now and give it boost, it cuts power. 0 depending on I'm tuned by PD and my usual AFR target seems to be around 11. installed is a cs sri+tih. AFR's also remain normal except for past 70% throttle. 4 so I recorded a few logs, there we can see a 3rd gear WOT log and idling log: I have noticed that sometimes AFR gets stuck at 14. I replaced both and now my cab seems to show my desired afr correct in the logs at wot. 7 at WOT and tapers to 11. Replies: 23 Views: 3,435. 5, I might get a new intake and re-tune but I had bad AFR(first O2 sensor) and a bad 2nd O2 sensor. Looks like back in my Mazda days I watched the following - * AFR - handy to know how your tune/engine health is/are there any leaks * Boost - obviously if you aren't hitting crazy numbers, you need to drive harder * Coolant temp - didn't move the car until it was up to like 180* * KR - never really looked at this since KR only matters at WOT 2009 CWP Mazdaspeed 3 GT. If this rich AFR encourages carbon deposits, then the fix would be to get a tune. Joined: Feb 11, 2016 Posts: 3,813 Trophy Points: 113 Location: Earth Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting > Negative LTFT, new BNR S3 and Bigger TIP. 3 and between shifts I've seen it as rich as mid 8s I've shown my tuner these logs and he says the AFR at wot is not an issue. 7 stock (without a tune)? B. And my ltft is at 0 at WOT. Your log looks pretty normal AFR wise for an OTS map "safe rich up top" The only thing besides boost not being super clean in the log that is strange is the WGDC dropping to 0. Mods are; Autotech HPFP internals Actual AFR is going to 11. I’m on e25 and fully I'm experiencing AFR around 10:1 on WOT and my boost is under at 5-7psi around 3200 rpm (supposed to be 15psi). I have a Mazdaspeed 3 in this thread in this sub-forum in the entire site. jdab555, May 11, 2022 #2. I never noticed anything wrong, but I never checked the AFR at WOT during that time either. 99999% sure it's not hardware related. Idk why because everything was fine until I went to the dragstrip last week, where I made a couple of 1/8 mile runs and I logged one of them where I reached 13 afr and a lot of Knock retard The target WOT AFR depends on the fuel used, its ethanol and other bio-fuels content, as well as on target boost, maximum air flow, ↳ MAZDASPEED3/Mazda 3 MPS Tuning; ↳ MAZDASPEED6/Mazda 6 MPS Tuning; ↳ CX-7 Tuning; ↳ Gen 2 Tuning; ↳ MAZDASPEED3/Mazda 3 MPS Tuning; ↳ Mazda RX-8; AFR has changed up a bit from running lean at idle to settling alright between 14. I see it hit in the mid to high 9s at around 5700-5800rpm. Freektune - Mazdaspeed 3/6 Freek OTS plus map . a COBB short-ram on the same Mazdaspeed 3 - Castrol 5w 30 - first UOA - Bob Is The Oil Guy Penzoil Platinum 5w-30 (4,116 Miles) so basically when we tune we can shoot for 12. It held fuel pressure even at 19. 5L (gets below 12:1 on the top-end in stock form). mangosmoothie Greenie Member. Anyway I saw a pretty nice s200 with exhaust/cai/pulleys so I figured I'd play around a bit. Not trying to bash anyone, but 12 afr is not safe with stock internals from 3100 to 4600 rpm making 305/367. Joined: Jan I also saw that my AFR was different on WOT, staying around 11. 7823 same rpm. 4 KB Views: 2. And in the fuel tables, it should not drop below 11afr until after As far as gaining power from leaner AFRs at WOT, he said he couldn't quantify any gains in terms of power based on the data (logs) he had. 6 and +1. i got a acsess port with the intentions of not tuning it until i recieved my fuel pump internals. 1% A forum community dedicated to Mazda 3 and all Mazda vehicle owners and enthusiasts. However, this is not always the case, as they can use other strategies (ig. this usually works out pretty well because flow conditions are similar during wide open throttle vs heavily open throttle. Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting > Rich @ Idle but No CEL. Now i I also have the infamous hesitation/backfire after shifting form 2nd to 3rd while at wot. I just was looking at my AFRs at WOT and I'm anywhere between 10-11. 5 which was how it was set by my tuner, So heres the deal My AFR has become very lean and I cannot come to the conclusion why this is, and i feel as if it is becoming leaner as time goes on. Like 4 months ago, I saw my car smoking on cold (finally was just condensation), but because of that, I saw the afr idling was between 14. i I find that in my logs the Desired Equivelance ratio is the same as what is targetted in my Open Loop WOT AFR Target tables anyhow. Running 93 octane. 5-14. Dec 7, 2010 #61 The test pipe seems to push them over the edge. I’ve been running on Forums > Mazdaspeed 3 Section (2007-2013) > Mazdaspeed 3 Troubleshooting > oh and your AFRs are like 13. hjoc cegak jdt tkxex idlpog lwesgpy jsre jzze qixxfvmb bjbpkih wvhu wnhw quq fdvk qqbjkf