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Old 08-03-2004, 11:38 AM   #1
eatsrice
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Member#: 67522
Join Date: Aug 2004
Chapter/Region: Tri-State
Location: dirty south jerz
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2007 STI
SWP

Default misfires,misfires,misfires

this is my first post by the way however ive been reading everythign that i could b4 i finally signed up. anyhow. i have had my wrx for about 2 months. its a 2002 w/ around 65000 miles on it. a few weeks after i get the car i get a CEL. when i pull the codes i get a misfire on all 4 cylnders. i take it back and the dealer says it was prob water from when the detailed it b4 the sale. they cleared the codes and i was good till about a week ago when i got a CEL agian. i check the codes and i get misfires on cyl 2-3-4. also my idle does seam a little rough? *** could be causing this. its bothering me?? i'm gona try to clean the MAF so hopefully that will help. but i just cleared the codes off agian and wait till they come back on. also is is safe to clean the MAF w/ carb/choke cleaner??
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Old 08-03-2004, 11:39 AM   #2
eatsrice
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i was also thinking possibly could the pulgs be fouled? i don't know if they have been changed ever. i would hope so but i don't know what the previous owner did b4 me.
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Old 08-03-2004, 12:14 PM   #3
Jduke
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you should change the plugs for good measure, although the dealer that sold you the car should have done this already to get it ready for you. And im not sure what type of detailing would put water in a area that would cause a misfire, sounds like the dealer is just giving you a quick ansewr... take ti to another dealer and see what the say.
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Old 08-03-2004, 05:01 PM   #4
dpjef
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2002 Impreza 2.0
dark blue

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I'm no techie, but all four plugs causing misfires at the same time ?
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Old 08-03-2004, 05:09 PM   #5
bikerboy
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2007 R171.473
2009 SWP Spec B

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mis-fires that throw codes are usually a lean condition. With that many miles I would go right to new plugs and gap them at .028. No they are not preset!

I would also look for an air leak between the turbo and the TB

M
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Old 08-03-2004, 09:56 PM   #6
Uncle Scotty
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....or it got blowed up by the PO(Previous Owner ) and you should have the compression checked...rough idle and misfire codes can be bad juju.
Get the dealer to do a compression check...and talk to the mechanic who actually does it and get the straight smack.

If you post up in your local area forum....somebody local to you may be able to figure it out for you if it isn't the compression.
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Old 08-04-2004, 08:47 AM   #7
eatsrice
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yea well when i cleared the codes it was idling fine. everything seamed to be ok. but when the light comes on than the idle becomes rough. but it still feels like it has the same power through acceleration. but when i check the codes its saying misfire. its a pain in the a$$
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