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Looking for another bit of advice guys jst got the new code reader in this morning and plugged the car in its coming up with 2 codes: P0102 (MAF or VAF A circuit low input) P0113(IAT sensor 1 circuit high input) Is the IAT sensor part of the MAF, so all I need is a new MAF? I did unplug the maf while the car was running to test it and the car cut out straight away so i thot the maf was ok but obviously not lol

Just a bit of an update guys checked all the battery wires and earths there all fine. When I went out and started the car this morning the CEL came on and stayed on 4 about half an hour then went off and hasn't been on since, I just took the maf off and cleaned it but there's no difference. Looks like I will need 2 get it plugged in 2 c wat the problem is but am starting to think its a bad coil?

Yeah it seems 2 clear up the revs it's up2 about 4k it's stuttering. I changed the plugs last night the coils looked ok no visible cracks, I'll try giving the maf a clean 2moro, it's been about 6 months since the fuel filter was done so that'll b next on my list. Recently if the cars been sitting for more than a day sometimes it doesn't want to start sounds like its not gettin a spark a dunno if this problem is related or not, thanx for all the advice so far guys

The cars always run on tesco momentum mate usually fill up at the same petrol station, I had a look at the coils last nite when I did the plugs and they looked fine no visible cracks or anything, after I got home 2nite I pulled the plug on the maf while the car was still running and it cut out right away. I'm running out of ideas now lol thinking about tryin a fuel system cleaner or additive, is there any u would reccomend?

Yeah i just replaced the air filter about 3 weeks ago with a green panel filter

Hi guys looking for a bit of advice I've got a 2003 STI and recently it has started to hesitate or judder when I'm accelerating slowly I suppose the best way 2 describe it is kinda like kangaroo petrol, very annoying and every1 must be thinking my driving is cr@p! The clutch isn't slipping and I've checked the maf that seems fine, I changed the plugs last nite aswel but that didn't help, any suggestions would be much appreciated as this is driving me nuts!! Lol

Hey guys thanks for the comments, I've done a few mods to the car, still thinking what could b next...... So any suggestions welcome lol So far it's got.... Ported headers, Harvey handmade de-cat down pipe, full 3 inch custom exhaust PPP fitted, Green stuff panel filter, 3 port boost solenoid, HKS SSQ dump valve and had an EcuTek remap by Bob Rawle, it's also got BC coilovers and has an anti lift kit fitted. There's prob something I've missed but that's all I can think of off the top of my head lol this is actually my 4th scooby but this is the 1st forum I've joined so hopefully c sum of u guys about soon!

Hi guys I'm Steve from just outside Glasgow, got a blobeye STI just thot ad come on 2 say hello n put up a couple of pics.....