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  1. General Maintenance, Troubleshooting & Accidents.
    I have a 2002 wrx and getting the p303 cylinder 3 misfire code,only scanned it once at autozone recently ,it is a random/intermittent missfire that I’ve had for a while but has recently gotten worse I’ve replace/checked the following- All Spark plugs-ngk iridium I cylinder 3 coil pack...
  2. General Maintenance, Troubleshooting & Accidents.
    I have a 2002 Wrx. I bought it with a blown engine so I swapped it out for a good one. The car has a bigger turbo, bigger intercooler, cold air intake, and some other stuff. I'm having an issue where fuel is not getting to the cylinder meaning my car wont start. Fuel is getting to the injectors...
  3. Personal For Sale & Wanted
    I have a few random parts laying around from a '07 build that is no longer going to happen. Need these gone all are o.b.o buyer pays for Paypal fees and shipping from Louisville Ky. DeatschWerks 1200cc Top Feed Injectors with PNP adapters. I would suggest getting these cleaned and new rings...
  4. Everyday Impreza Talk
    I have heard of some people drilling out or cutting of the cap to their injectors to make them 750's or 850's. Does anyone have any insight on this whole theory?? What size drill bit do you use? or do you cut off the cap? If anyone has done this or thought about doing this, please give me some...
  5. Maintenance, service, and repair
    Today I took the time to put Seafoam into my car...I put 1/3 of a 16oz can into my fuel tank to clean fuel injectors, 1/3 into the engine block and 1/3 into the vacuum line of the BPV. Everything went great however after smoke had cleared, I noticed some smoke comming from near the turbo....does...
  6. Engine Modifications
    So I have 2.5 inch equal length headers and up, the stock turbo, and a 3 inch catless tbe. Also a 3 inch cai and perrin turbo inlet on my 04 wrx. Never had any problems till recently. My afr's are suddenly running at 14.7:1 from idle tapering to about 12.8 at 3500 rmps and at about 4000 it drops...
  7. Engine Modifications
    Hello guys, I have a '07 STI which had major engine problem a few weeks ago. I'm in the process of rebuilding it. I already purchased CP pistons (Stock CR and bore), Eagle H Beam Rods, Cosworth Bearings, a Walbro fuel Pump and an ACT Street clutch. I have to buy a nuw turbocharger (yes, it...
  8. STi Technical Forum
    I am about to add a fmic to my 07 sti. i have stock fuel injectors and pump what size should they be upgraded to. as well as any other mods to go with
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