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  1. General Maintenance, Troubleshooting & Accidents.
    Hi everyone, I have a 2011 Subaru Impreza WRX Hatch Limited. Recently the car started to dip below 500RPMs when I come to a full stop at traffic lights, then suddenly jumps back up to 1,200RPMs and levels itself at around 700-900RPM… Today I started the vehicle (just fine) and then I started...
  2. Maintenance, service, and repair
    Good afternoon, I own a 2015 WRX, Stage 2 (Cobb 3" exhaust, OTS Stage 2 Map using Cobb V3 Accessport). I've always monitored regular feedback knock, it comes and goes (the high negatives). I've driven this car (stage 2) for months now, I've just changed the oil and had a friend who is a...
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