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Old 09-09-2004, 05:51 PM   #1
Akarui
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Member#: 60195
Join Date: Apr 2004
Chapter/Region: SCIC
Location: Glendale CA
Vehicle:
2002 WRX
World Rally Blue

Default Misfire on #1 and #3 cylinders

Well the CEL came on the other day. When I got the CEL I had it pulled and it came back with missfire on Cylinders #1 and #3. I had just got it back from the shop for an identical problem on cylinders #2 and #4. It had been a buildup on my intake valves causing the problem. So this time I know it's probly something similar. So I ran some SeaFoam through the PCV and let it sit for 2 hours needless to say a large plume of white smoke ensued. I still Have the CEL will I need to reset the ECU to clear it? Also I am runing a CoBB CAI and have noticed some oil being pulled up into it. Where could I purchase a catch can cause I am almost certain that its this oil flowing into my Intake valves that is gumming them up. I really dont want to have to do this every few thousand miles so any help would be apreciated.
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Old 09-09-2004, 06:10 PM   #2
impr25rs
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Join Date: Apr 2004
Location: PDX, OR
Vehicle:
04 Aspen RS
The One Not Turbo'd, NA!!

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Dang dude it just doesn't end does it. You are having a crap of a time since your friend "messed up" your car. Personally I would clear the CEL by reseting the ECU and then see if it comes on again. As for the catch can...... I am not sure if there is a specific one for the RS or not, but there are many vendors on site that sell catch cans. Good luck says "no more problems"
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Old 09-09-2004, 06:11 PM   #3
AJ711
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Chapter/Region: MAIC
Location: Singletracks
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98 GM67 + 03 SG6
2 whls > 4 whls

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As for a catch can, check out this thread at RS25.com for a Greddy for $90 shipped. (just read the thread) You can find a catch can at any good vendor. I picked up mine from Z1, I think. It was a while back. Search in the vendor's forum and you'll find something.

As for clearing the code, reseting the ECU will get rid of the CEL, but your best bet would be to get a OBD II scanner to clear the code from the ECU. A friend of mine had some issues with his WRX and had a CEL. Found it to be the same thing you had (misfires on 1 and 3). I cleared the codes with my scanner and he told me his car was running 100% better than before. I had ridden in it before and after, and I could feel a difference as well. The ECU will store the code internally. Reseting the ECU by battery will eliminate the glaring CEL, but the ECU will still have the code. A clear via scan tool will help.

I installed a catch can a while ago (months) and while I have not had a huge build up, I tilted it around the other day and found that I did have something in there. Pick up a foam filter for a lawn mower or something and use that to help difuse the oil from the gasses flowing through the tubes.

Hope this helps,
AJ
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Old 09-09-2004, 06:29 PM   #4
Akarui
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World Rally Blue

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Nope it doesn't end but that seafoam definately knocked a ton of **** from my intake valves I know I sure smoked up a white storm it looked like a sceen from a 007 movie. Yeah my Friend aka Brother just called and told me he would cover any cost this might have cost me so it looks like if I have to have major work done it won't be at my expense but im pretty sure its just the damn oil gumming up the intake valves makeing them stick open and causing the misfire.
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Old 10-03-2004, 11:19 PM   #5
Akarui
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Location: Glendale CA
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2002 WRX
World Rally Blue

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Well since I ran that Sea Foam and reset the ECU I have not pulled another code and the car is running nice and smooth. I have fasioned a home made oil catch can for now till I can get a good one.
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