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Old 10-21-2018, 02:11 AM   #1
rally_wannabe
Scooby Specialist
 
Member#: 15799
Join Date: Feb 2002
Chapter/Region: MAIC
Location: Arlington, VA
Vehicle:
'02 WRX/'06 EVO IX
Vshnu-DPS Stg2/CBRD 405HP

Default 2002 WRX C0200 OBD2 Code

According to this:

http://www.engineobd2codes.com/c0200...u-impreza.html

Common Causes of Subaru Impreza C0200 OBD2 Code
A common cause of code C0200 is the failure of Autolamp Delay Circuit Short To Battery, but there are several other possible causes as well, such as ;
Clogged or faulty fuel injector (s)
Faulty Mass Air Flow (MAF) sensor
Exhaust tube
Engine Control Module (ECM)
**************************

So I pulled my MAF and it was filthy, I'd forgotten to change my air filter for a long time, it was impacted with grime to the point of cracking and collapsing.

Took it all apart, sprayed it down, wiped it down, dried it off, took the MAF out, sprayed with MAF cleaner, put it all back together with a new filter.

Now the car boosts to .13 MPa again and no CEL.

Hope this helps someone else.
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