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swapped '03 2.0 engine into an '04 wrx model, failed emissions - now what?

4K views 29 replies 8 participants last post by  psinuse 
#1 ·
So I have a 2004 WRX complete Stock. It has 250K on the odometer. We put in a used '03 2.0 engine (75000 miles when installed) because the original engine died at 220K.

Now I just failed emissions (state of Virginia) and my car registration is over in 3 days. I'm getting 4 codes:

p0447 - evaporate emission control system vent control circuit open
p0457 - evaporate emission system link (fuel cap loose/off)
p0420 - Catalyst System Efficiency below Threshold (bank 1)
p1491 - ??? something to do with pcv valve with the 03 engine and the ecu.

Money is incredibly tight. State of Virginia allows for waivers if i make repairs exceeding $780...

I went to the dealership about 8 months ago, and they said the fact that I used a 03 engine in my 04 model was going to cause some issues with emissions. Fortunately I kept my old engine for parts.

Should I go to dealer? To qualify for a waiver, the repair work must be done at a VA certified emissions repair facility. My subaru dealership is not...

I just need some guidance on a point of attack here.
 
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