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Old 11-14-2012, 02:01 PM   #1
CreSTI
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Default Swapping Coil packs, help.

I have a misfire in cylinder 4, P0304. Are all the coil packs interchangeable? Which side is cylinder 4? I want to swap the coils to see if the CEL follows it.
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Last edited by CreSTI; 11-14-2012 at 02:07 PM.
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Old 11-14-2012, 04:18 PM   #2
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Quote:
Originally Posted by CreSTI View Post
I have a misfire in cylinder 4, P0304. Are all the coil packs interchangeable? Which side is cylinder 4? I want to swap the coils to see if the CEL follows it.
Coil packs are interchangeable. Cylinders go like this:

Tranny
3 4
1 2
Front

If your misfire doesn't follow the coilpack, check your plugs, and if they are ok, then you NEED to get a compression test. Also, with the engine running, pull off the oil fill cap and see if any puffs of smoke come out. If so, that's a sign of blowby, which can be caused by a cracked ringland.

Good luck.
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Old 11-14-2012, 05:32 PM   #3
04ScoobyWtf
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Also you can switch injectors they'll cause a misfire
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Old 11-14-2012, 09:57 PM   #4
CreSTI
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Also you can switch injectors they'll cause a misfire
I'm new to my Subaru, is their a write up/pictures anywhere for this? Thanks for the replies.
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Old 11-14-2012, 11:44 PM   #5
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Originally Posted by CreSTI

I'm new to my Subaru, is their a write up/pictures anywhere for this? Thanks for the replies.
Yup, there is. Search my friend. Good luck. It's not a hard job. Also, get a Haynes or equivalent manual. Might pick up a FSM as well on ebay for $5.
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Old 11-14-2012, 11:47 PM   #6
04ScoobyWtf
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Took me 30 seconds googling installing Sti injectors...

http://www.clubwrx.net/forums/engine...02-03-wrx.html

Last edited by 04ScoobyWtf; 11-15-2012 at 12:01 AM.
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