I have a 2002 WRX with an EJ20 engine I'm rebuilding. When I inspected the heads, this is what I found... The engine ran previous to this, but did misfire at high rpms.
Am I completely screwed here? The code stamped on the heads is RHS20/LHS20 005.
Am I completely screwed here? The code stamped on the heads is RHS20/LHS20 005.
