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Old 03-31-2005, 08:55 AM   #1
eth3l
Scooby Newbie
 
Member#: 40339
Join Date: Jul 2003
Location: Minnesota
Vehicle:
2010 STi Spec. Ed.
Dark Grey Metallic

Default Air Density

I have an 02 WRX turbo. Last year the check engine light came on for 2-3 cylinders misfiring, and would not go away. I have had service afeter service trying to track down the cause. My mechanic thinks it needs $600 valve adjustment. This made sense to me only this winter as the temperature was consistently under 40 degrees F, the light went off. My spidey senses told me that the cold air coming in was more dense and therefore my burn was better, and the misfire was not occurring. a valve adjustment would hopefully resolve the air flow issue.

This week the temp is starting to warm up again, and the check engine light came back on. I am sure I will get the misfires.

I bought the car in Calif, and used 93-94 octane, and put 100 octane in every few months. I moved to Missouri 2 years ago an continue to use 93 octane (no one sells 100 out here ). The fuel out here IS different though, but I dont know how.

I am wondering if the valve adjustment makes sense to anyone else or if anyone else had this problem. Alternatively what is a good aftermarket proiduct to make the air coming in more dense/colder.

thanks
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Old 03-31-2005, 09:53 AM   #2
Calebz
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Member#: 54398
Join Date: Feb 2004
Chapter/Region: NWIC
Location: Souf Central France
Vehicle:
1980 CB400 Hawk
1996 GrandCherokeeLimited

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Try the factory 2.0L Turbo forum..
thats where the rest of the WRXs are
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Old 03-31-2005, 10:30 AM   #3
eth3l
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Member#: 40339
Join Date: Jul 2003
Location: Minnesota
Vehicle:
2010 STi Spec. Ed.
Dark Grey Metallic

Default

oops. my bad
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