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ben-jamminn

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Posts posted by ben-jamminn

    boost problems 15psi/7psi

    in Engine Related

    Posted

    my thread http://www.clubsub.org.nz/forum/index.php/topic,32969.0.html

    I was having all sorts of issues with my V7, surging, power dropping off, and the same boost issue as you are having (turned out to be the AFM after all) but I was also advised to change the knock sensor. So if you\'ve already done the AFM (I assume it was for a new or known good one?) then it\'s worth a shot.

    Better still, find someone who has a laptop set up with RomRaider software and a tactrix cable. They can then datalog your car and diagnose a fault much quicker and without wasting time replacing parts

    Where is the AFM on an EJ15?

    in Electrical

    Posted

     JoKer said:

    WIKI EJ15 2004

    800px-2004_Subaru_Impreza_Sport_Wagon_EJ

    yea dunno

    maybe that thing plugged it next to the throttle body?

    That\'s what I thought initially too, but as Marky said, it\'s a temp sensor.

    Am I right in saying that fuel injected cars must have an AFM?

    This is the problem with the n/a Subaru\'s, there isn\'t a wealth of knowledge online about them.

    Where is the AFM on an EJ15?

    in Electrical

    Posted

     Timmah said:

    Attached to the airbox? - 250755361.jpg

    Well that\'s where I thought it would be, but her set up is a little different to that , 2003 impreza (version 8 shape)

    I\'m on my phone so can\'t insert an image URL but if you look on trademe at similar cars you\'ll see what I mean

    BP facing 98 supply issues

    in General Vehicle Discussion

    Posted

    Yeah I went to fill up at BP Riccarton yesterday, hopped out of car and went to grab the nozzle and it was yellow!!

    Looks like we will all have to start running 95. I had to use 95 for 2 weeks when I was down in central otago, and to be honest I didn\'t notice a difference, although I\'m sure the ECU was adjusting the knock correction (IAM? Blair will correct me haha) to suit.

    v7 upgrades

    in Impreza, Crosstrek and XV

    Posted

     kwi_fozze said:

    Little bit heavier

    4 pots as opposed to brembo\'s

    erm... that\'s about it??

    Narrower track (steel control arms, well on mine anyway)

    Spring rates are different

    Doesn\'t have the pumped front guards like the sedan

    Front bumper is different (vents around the spotlight covers are different) as well as being narrower

    Wheels are different offset (more or less gold B4 wheels) slightly different styling to the sedan wheels

    Engine and drivetrain are the same

    Problem with version 7 STi boost control

    in Engine Related

    Posted

    Blair (Chappell943) came over today and we did some logging, I\'m not 100% on the in\'s and outs of it all but Blair really knows his stuff! Turns out it was the MAF sensor (hopefully Blair see\'s this post and can give the particulars) basically faulty MAF sensor causing incorrect load readings which caused excessive ignition timing and a leaner fuel mixture, we think this was causing the ecu to cut boost on and off, causing the surge but we plugged his MAF into my car and it made a night and day difference in both how the car drove and the figures showing up on the laptop.

    So now the hunt is on for a new MAF sensor!

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