Gen 2: 2000-2004
I have 2002 H6 Outback wagon. The ECM will register misfire on #6, #2 and #4. Sometimes on one of them, sometimes on two of them, and sometimes on all 3. The engine was totally rebuilt 30k ago. Subaru has run all tests, changed plugs, and cannot figure it out. Runs great, gets 21-24 mpg. Uses no...