thorne Posted February 17, 2009 Report Share Posted February 17, 2009 I've got a car I'm working on that is tossing this code. I can't seem to nail down whats wrong with it. It always happens at WOT. I spent 2 hours with the car saturday and could no recreate the problem. Then today it pops back up. Quote Link to comment Share on other sites More sharing options...
ODoyle Posted February 17, 2009 Report Share Posted February 17, 2009 http://www.obd-codes.com/p0103 Quote Link to comment Share on other sites More sharing options...
Guest Removed Posted February 17, 2009 Report Share Posted February 17, 2009 it would help to know what your working on, how much its modded, and when it started doing it and so on. Quote Link to comment Share on other sites More sharing options...
CRed05 Posted February 17, 2009 Report Share Posted February 17, 2009 Dirty Mafs? Clean it and if the problem persists replace the mafs Quote Link to comment Share on other sites More sharing options...
KillJoy Posted February 17, 2009 Report Share Posted February 17, 2009 Clean the MAF. :thumbup: KillJoy Quote Link to comment Share on other sites More sharing options...
Guest Removed Posted February 17, 2009 Report Share Posted February 17, 2009 Inspect for any air leaks near the MAF sensor. i know you was having that issue before Quote Link to comment Share on other sites More sharing options...
thorne Posted February 17, 2009 Author Report Share Posted February 17, 2009 Yeah, its a 2004 WRX 2.0 with an 18g. It has a SPT Intake and fmic sti pinks (Those are coming off needs bigger) exhaust headers . I've personally cleaned the MAF on more then 1 occasion. I'm going to swap mafs friday and see if the problem follows from his car to mine. Other then when the MAf Flakes out the car pulls like a raped ape. The problem has been happening on and off for a while. The car has been down for a bit because he blew a gasket in his headers and had to have IPS put a Flange in and weld it. IPS did a BL test before the car came out of the shop. I had the car for the weekend a few weeks ago and it seemed like to me the car was reading entirely to much air for its build. I'll try and get some datalogs off the car with the MAf voltage. Quote Link to comment Share on other sites More sharing options...
thorne Posted February 20, 2009 Author Report Share Posted February 20, 2009 I'm picking up his car this weekend and putting my maf on it. Quote Link to comment Share on other sites More sharing options...
Guest Hal Posted February 20, 2009 Report Share Posted February 20, 2009 I agree with the above but if you give me the year I will check code assist at work. Quote Link to comment Share on other sites More sharing options...
ODoyle Posted February 20, 2009 Report Share Posted February 20, 2009 Yeah, its a 2004 WRX 2.0 with an 18g. It has a SPT Intake and fmic sti pinks (Those are coming off needs bigger) exhaust headers . There you go,Halexander. Quote Link to comment Share on other sites More sharing options...
Guest Hal Posted February 20, 2009 Report Share Posted February 20, 2009 There you go' date='Halexander.[/quote'] Fuck that, I plan a being banned or incredibly bored by the time I would have a chance to post code assist's answer. Quote Link to comment Share on other sites More sharing options...
thorne Posted February 20, 2009 Author Report Share Posted February 20, 2009 doh. The code is voltage High. Quote Link to comment Share on other sites More sharing options...
thorne Posted February 25, 2009 Author Report Share Posted February 25, 2009 Figured it out. Stay away from SPT Intakes. The stock airbox can flow more air. This has been a public service announcement. Quote Link to comment Share on other sites More sharing options...
Guest mitsumodder Posted February 25, 2009 Report Share Posted February 25, 2009 ^^^^subaru released a letter to dealers after the intake was released saying that their dyno testing proved a HP loss with the SPT intake installed. LOL Quote Link to comment Share on other sites More sharing options...
thorne Posted February 25, 2009 Author Report Share Posted February 25, 2009 ^^^^subaru released a letter to dealers after the intake was released saying that their dyno testing proved a HP loss with the SPT intake installed. LOL I can see it. That intake is a smaller diameter then the stock intake (HAHAHA). So the maf sensor reads more air then what is really there. This is going to cause a STOCK car to go rich. Subarus are rich from the factory anyways. Now you can scale the maf for that intake but it will not make it to 300whp. There is only so much you can do. 5v's is 5v's . APS 70mm here we come. Quote Link to comment Share on other sites More sharing options...
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