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Old 06-27-2013, 01:17 AM   #1
Scooby Specialist
Member#: 337170
Join Date: Nov 2012
Location: hesperia, California
2003 wrx

Default P0340 impossible fix. help me figure it out?

heres a background on my problem:

2006 ej257 longblock
2003 wrx intake setup/injectors
torque solutions cam sensor bracket
ground mod
alternator output: 14.2V
ej257 cam gear: same exact 2 pickups as ej20 cam gear

this is me:

my car will not stop running in limp because of a P0340 code. ive tried everything, seriously. ive reset the ecu a million times, ive tried different ECU maps. ive tried new sensors, triple checking timing, checking timing belt tensioner, installing oem crank pulley, dielectric grease on connections, tried simply letting it run as is and figure itself out, checked the connection between sensor plug and ecu. so i made a little video to help demonstrate what im working with. the whistle/scream you're hearing is from the alternator. either a bad bearing or its putting out its absolute maximum output and the microphone on my phone being directly over the alternator doesnt help. i know i called the timing belt tensioner the idler but who cares, ive been at this forever with no good outcome

last idea: avcs is not being used and has yet to be deleted. going to try regular wrx gears and properly delete avcs and see if it gets me anywhere.

you see a waste gate code on the DTC box right? it has nothing to do with this. the wastegate is disabled via ECU while i tune so it throws a meaningless code. if you have a friend who might know, a local shop, another nasioc member, please contact them! im literally out of ideas here and have given up hope of my 450hp 20G build i know not many of you are familiar with my swap but it really doesnt mean anything, it works exactly like a wrx should. i never had this problem before now so it obviously worked in the past for me. help!!!

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Last edited by rushdylan; 06-29-2013 at 04:09 PM.
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