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Old 02-18-2021, 07:46 PM   #3
WRXXXED
Scooby Specialist
 
Member#: 432652
Join Date: Oct 2015
Location: Gap, PA
Vehicle:
2010 Subaru WRX STI
61K (Gray)

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Quote:
Originally Posted by Elbert Bass View Post
Since the wiring for the rear O2 and the neutral switch are in the same harness that runs down the left side of the transmission I would look there first - unplugged connector, stretch/broken/pinched wires...
Be aware those neutral switches are prone to failure as well.

The P0457 could be you didn't reconnect the evap vent hoses at engine, broke the evap solenoid, have a failed evap vent solenoid. It could also be not related to the work you did. If you didn't leave something loose then a smoke test would be in order.
Oh, that sounds like a great place to start. I did have trouble getting the engine and trans separated until I realized I forgot to take the clutch fork shaft out. I did jack up the trans so much it started to lift the car off the jack stands so it probably pinched that harness. Thank you ill take a look at that and check some vacuum diagrams to see if I missed anything
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