DaveWaters Posted March 2, 2020 Share Posted March 2, 2020 Oh cool.. I’m in Jersey too. Where are you getting tuned? I was tuned at Precision. Glad you’re getting that pre-tune inspection. Definitely worth the piece of mind its ready for the dyno. Link to comment Share on other sites More sharing options...
Ares3985 Posted March 2, 2020 Author Share Posted March 2, 2020 Oh cool.. I’m in Jersey too. Where are you getting tuned? I was tuned at Precision. Glad you’re getting that pre-tune inspection. Definitely worth the piece of mind its ready for the dyno. Getting it done at prime motoring by jrtuned Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
DaveWaters Posted March 2, 2020 Share Posted March 2, 2020 Nice! I’ve heard a lot of good things about jr Link to comment Share on other sites More sharing options...
Ares3985 Posted March 3, 2020 Author Share Posted March 3, 2020 Nice! I’ve heard a lot of good things about jr Yeah hopefully he can sort out my issues. Hopefully my first tune was garbage and causing my issues. I just wanna drive the car and not worry for once. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
ashwinearl Posted March 4, 2020 Share Posted March 4, 2020 When you say new MAF, did you get OEM from Subaru, or through Amazon/other source? Link to comment Share on other sites More sharing options...
Ares3985 Posted March 4, 2020 Author Share Posted March 4, 2020 When you say new MAF, did you get OEM from Subaru, or through Amazon/other source? Amazon. Installing it made all my readings go the opposite way. Makes me the think the original was bad and scaled on a bad maf. I just ordered another one this morning. Plug that one in when I get it and compare my numbers between the two aftermarket ones and the stock. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
lilredwagon Posted March 4, 2020 Share Posted March 4, 2020 When you ordered the Amazon one, did you reference the part number on the MAF that came off your car? I ask because different MAFs read differently, and most fit the same hole, so an online parts number search may not pull up the direct replacement. What happened to me was that I replaced my MAF on my 08 OBXT with one from my 02 WRX, just for diagnostic purposes. The WRX one fit and it worked, but read the opposite, just as you experienced. Online searches claimed they are interchangeable, but then read the part number on the actual part, and ordered that one, and it read the same as the last one. Just my experience, YMMV. Link to comment Share on other sites More sharing options...
Ares3985 Posted March 5, 2020 Author Share Posted March 5, 2020 When you ordered the Amazon one' date=' did you reference the part number on the MAF that came off your car? I ask because different MAFs read differently, and most fit the same hole, so an online parts number search may not pull up the direct replacement. What happened to me was that I replaced my MAF on my 08 OBXT with one from my 02 WRX, just for diagnostic purposes. The WRX one fit and it worked, but read the opposite, just as you experienced. Online searches claimed they are interchangeable, but then read the part number on the actual part, and ordered that one, and it read the same as the last one. Just my experience, YMMV.[/quote'] I used the oem part #. 22680-AA31A. The part I ordered is 22680-AA310. The difference between 31a and 310 is the country of origin and nothing more. I took it right off the denso part. I’m assuming I will get this maf and get the same readings as the second one I got. This will just tell me I had a bad maf during tune. Plus I’ll have an extra maf for my new tune just in case. this is the original maf and 310 is a direct replacement for it. Which according to every site also fits an 02 wrx. Every website and forum I’ve checked says that they are the same part Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
Ares3985 Posted March 5, 2020 Author Share Posted March 5, 2020 Now I’m concerned that this might be the issue. 99% of websites are saying it is a direct replacement but 1% says it’s different. Now I’m confused Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
Pleides Posted March 5, 2020 Share Posted March 5, 2020 Denso 197-6040 Mass Air Flow Sensor https://www.amazon.com/dp/B007WMG8A0?ref=ppx_pop_mob_ap_share This is the MAF I bought when my old one went kaput. The parts numbers were not identical but the new MAF works as OEM. My car is protuned. I would get check engine lights and random stalling until I replaced it. Link to comment Share on other sites More sharing options...
DaveWaters Posted March 6, 2020 Share Posted March 6, 2020 Denso 197-6040 Mass Air Flow Sensor https://www.amazon.com/dp/B007WMG8A0?ref=ppx_pop_mob_ap_share This is the MAF I bought when my old one went kaput. The parts numbers were not identical but the new MAF works as OEM. My car is protuned. I would get check engine lights and random stalling until I replaced it. That’s the one I replaced mine with as well. Link to comment Share on other sites More sharing options...
Ares3985 Posted March 6, 2020 Author Share Posted March 6, 2020 Damn. Guess I’m buying a fourth maf then lol Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
lilredwagon Posted March 6, 2020 Share Posted March 6, 2020 No need to do that. If you're getting tuned, the tuner will just rescale your tune for it. It will fit, and it will read consistently, but it may not be scaled to your exact car. Your tuner will just tune for it, as if you added an intake. It won't be a problem. And if you do have any problems with one, you have others already. No need to buy more. Link to comment Share on other sites More sharing options...
Ares3985 Posted March 6, 2020 Author Share Posted March 6, 2020 No need to do that. If you're getting tuned' date=' the tuner will just rescale your tune for it. It will fit, and it will read consistently, but it may not be scaled to your exact car. Your tuner will just tune for it, as if you added an intake. It won't be a problem. And if you do have any problems with one, you have others already. No need to buy more.[/quote'] Ok screw it then. It’s easier and cheaper to get the maf I bought anyway. I’ll just take it easy on the way there and let him tune around it. I just won’t be able to use an oem again but no big deal. Car probably won’t survive long enough to need another maf. Let’s be real Link to comment Share on other sites More sharing options...
Ares3985 Posted March 9, 2020 Author Share Posted March 9, 2020 Went back to my old denso. Readings were way off. Finally drove it and it would go pig rich at 3000 rpm and cut. Just gonna leave it as is and see what the tuner says. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
Ares3985 Posted March 14, 2020 Author Share Posted March 14, 2020 Pretune inspection this morning. Professional boost leak and smoke testing. Probably better than the paint can soldering iron setup I have. Also probably gonna grab some 1050 injectors. Prob throw this in later today or tomorrow. Assuming the place agrees to send me a base map. My id is 100% on current tune. Don’t wanna get retuned for less power so pay to play I guess. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
Ares3985 Posted March 14, 2020 Author Share Posted March 14, 2020 Failed. TGV leaking. Pcv bad and can’t get base map in time for injectors. Postponed Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
ttnio Posted March 14, 2020 Share Posted March 14, 2020 punch list of issues before tune oh well, its the fun of having a tuner car all the best Link to comment Share on other sites More sharing options...
Ares3985 Posted March 15, 2020 Author Share Posted March 15, 2020 punch list of issues before tune oh well, its the fun of having a tuner car all the best Yup it happens. Especially w Subaru’s lol. Spent tonight tearing it down Waiting on parts now. Hopefully I can remember where the 100 things I disconnected go. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
DaveWaters Posted March 15, 2020 Share Posted March 15, 2020 Where did the tgv leak? Mine leaked passenger side rear at the sensor. Reason I deleted. If you were ever considering doing an AOS like the IAG competition series now’s the time. It deletes the PCV and requires a tune. Link to comment Share on other sites More sharing options...
dwmccauley01 Posted March 15, 2020 Share Posted March 15, 2020 Looks like you're in about the same spot as me right now. I found these 2 diagrams to be very helpful. Sent from my SM-G970U using Tapatalk Link to comment Share on other sites More sharing options...
Ares3985 Posted March 16, 2020 Author Share Posted March 16, 2020 Where did the tgv leak? Mine leaked passenger side rear at the sensor. Reason I deleted. If you were ever considering doing an AOS like the IAG competition series now’s the time. It deletes the PCV and requires a tune. Leaked between the head and tgv. Had to take it out either way so I’m deleting it. I thought about the aos but I spent 1100 just to deal with this so I’m gonna do without for now. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
Ares3985 Posted March 16, 2020 Author Share Posted March 16, 2020 Looks like you're in about the same spot as me right now. I found these 2 diagrams to be very helpful. Sent from my SM-G970U using Tapatalk Well only my tgv was leaking but I may need these after I reassemble and find out I missed a connection lol. Thanks Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
DaveWaters Posted March 16, 2020 Share Posted March 16, 2020 Leaked between the head and tgv. Had to take it out either way so I’m deleting it. I thought about the aos but I spent 1100 just to deal with this so I’m gonna do without for now. Sent from my iPhone using Tapatalk I hear ya. The rabbit hole gets pretty deep. Link to comment Share on other sites More sharing options...
Ares3985 Posted April 3, 2020 Author Share Posted April 3, 2020 Whelp here we go again. Tomorrow is finally my dyno day. Unfortunately I am not allowed to be there due to this stupid pandemic. I have to drop the car and come back. At least I should be able to drive the car again if all goes well. [emoji1696] Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
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