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Old 03-01-2013, 05:38 PM   #1
scoobynoobEMT
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Join Date: Jan 2009
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Location: Ft Stewart, GA
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2002 WRX wagon EJ257
PSM

Default camshaft position sensor gap?

I put an EJ257 into my 02 WRX (using the WRX harness) and put a camshaft position sensor bracket on, in order for my CPS to be mounted and utilized.

I'm getting a code for "camshaft position sensor bank one" with 1 and 3 cylinders misfiring.

I believe the air gap between the CPS and the Camshaft is too large, and need to know the measurement that I have to adjust it to.

Anyone know the specs?
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Old 03-02-2013, 07:58 PM   #2
scoobynoobEMT
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PSM

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anyone..?
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Old 03-03-2013, 04:38 PM   #3
scoobynoobEMT
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PSM

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I figured it out. Thanks for all the help.
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Old 03-12-2013, 04:24 PM   #4
BrandonDrums
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Hey man, I'm having the same issue. I would have replied earlier but have been traveling since you posted.

What did you end up doing?
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Old 03-12-2013, 04:27 PM   #5
scoobynoobEMT
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PSM

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I used a feeler gauge to match the gap from the ej20 to the ej257. That didn't work. I read about putting a 1/16th inch washer in between the sensor and bracket and I haven't thrown the code since.

I do get random misfires until the coolant reaches 180* though. Not sure if it is because of the sensor..
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Old 03-18-2013, 02:33 AM   #6
Wraith646
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just to help --- you gap is just a hair to far that is the miss fire at warm-up
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Old 03-18-2013, 10:20 PM   #7
scoobynoobEMT
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I've tried adjusting it closer and farther with a screwdriver while it's misfiring. Nothing works.
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Old 05-30-2013, 12:20 PM   #8
Wraith646
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What year 2.5 ar you using?
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Old 05-31-2013, 12:17 AM   #9
05rs25
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Did u swap the cam gear from your ej205 to the ej257?
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Old 06-01-2013, 08:09 AM   #10
tja1618
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I'm heading down this same route (Ej257 with no AVCS) and would certainly like to avoid misfires. Can anyone else chime in about the mounting of the cam sensor?
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Old 06-02-2013, 08:44 PM   #11
Supraru
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I also ran the 1/16 washer on the cam sensor and had no issues again. I did however seem to have one glitch with it. I had a 6 puck act clutch and occasionally would get to comfortable with it and stall. If I tried to fire it right back up it would just crank and it occasionally popped the code. I found if I stalled and turned the key fully off then back on it was good. Just a heads up for anyone if it happens to you.
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Old 01-26-2015, 06:18 PM   #12
Dr. octagon
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I have been battling this for longer than I care to admit.

Tired of the car dying at slow roll rpm.

What is the inner diameter of the washer.

I over think things I will admit, buy I can not find 1/16th washer. Home depot and lowes don't carry it....say it's too small.
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Old 01-29-2015, 11:30 AM   #13
Que_mo
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sandpaper
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Old 01-29-2015, 11:31 AM   #14
Dr. octagon
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Quote:
Originally Posted by Que_mo View Post
sandpaper

Please..........feel free to expand upon your statement.
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Old 02-04-2015, 02:48 PM   #15
topfuelman
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Just flat sand the washer down to the thickness you require
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Old 02-04-2015, 03:24 PM   #16
Dr. octagon
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Thank you for the response
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Old 02-05-2015, 04:31 PM   #17
skatesfobia
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Glad you figured it out!
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Old 02-05-2015, 04:32 PM   #18
skatesfobia
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Happy you figured out what you were trying to. Maybe we can help next time!
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