My 05 WRX was a stage 2 before I bought it. It has the catted d-p goin to a catless exhaust.
Now a buddy of mine told me that the CEL fix only works for 04 models. Is this true? If not, where and what CEL fix would you recommend?
But, the resister can be purchased for CHEAP at radioshack. Otherwise, you will require a tune (you should have a proper stage 2 tune on the car anyway or its bad juju).
if its the one for the missing EGT bung in the aftermarket up-pipe, putting a 2.2kohm resistor in will take care of that cel.
if its the downpipe cel because there are no cats now, catless dp and mid pipe, there is a fix where you go buy some spark plug anti foulers from an auto part store. search for this mod for specific instructions
both of these mods will take care of either cels and no engine management(cobb, opensource) is needed
You'll still have messed up closed loop/open loop fuel cycles. None of the cel fixes correct that. A tune does, which also clears the CELs. Wow...imagine that.
See the guide for how to flash the ECU. Done. CEL deletion is an option in the map. You can't turn a CEL off/on just with the AP.
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