help me out i need some answer for this issue
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This is a discussion on help me out i need some answer for this issue within the Tuning: Electronic Engine Management forums, part of the Tech & Modifying & General Repairs category; so guys im back 02 wrx catless down pipe, stock intake, axle back exhaust, ap stage 2 93 tune. after ...

  1. #1
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    help me out i need some answer for this issue

    so guys im back 02 wrx catless down pipe, stock intake, axle back exhaust, ap stage 2 93 tune.
    after my misfire issue i figured out my effin engine blew, piston rings on 3 and 4 were roasted. no biggie i had another block from an 05. So i threw it together and started it up. Sounded great! let it get to operating temp and check engine light....... cylinder 4 misfire. Here we go again. but wait it went off and access port didnt read it. so i took it for a spin.

    awesome no check engine light. throw it into neutral and bam idling misfire, hardly noticeable. well i did some diagnosing and trial and error but still kept getting misfire. So i decided to do compression test.

    150 on cylinder 1,2,3 and 30 psi on cylinder 4. Maybe i put a ****ty valve in HAHAHAHA wasnt the case! i had another blow piston ring on cylinder 4!!!!!

    Is running stage 2 bad for these engines or something or is this just a ****ty coincidence that is happening to me?? the car ran completely fine under load! im really confused and obviously once i find a stock block again im going straight to stock on this car and selling my access port. Ive built 2 sti's and 4 wrx's now and havent had an issue cause they were alllll stock!!!!!! WTF>? Help!<

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  3. #2
    Moderator Donkey's Avatar
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    Sounds like crappy luck. I had a 02 bugeye that ran 20psi to redline on a 18G. Car had 200K when I sold it. Still had the original motor from the factory in it.
    Resident Adviser @ WTF Tuning, LLC
    2002 FORESTER S
    1998 FORESTER S




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