BIKERSKIBUM

Use Stabil every fill up, but yes, freshening fuel my next step before next high speed test. Thanks.

99 legacy gt wagon - manual originally in to replace head gaskets heads rebuilt and head gaskets replaced new plugs and wires — new timing belt and water pump picked car up and was still misfiring starting with #2 and eventually misfiring on all cylinders new egr valve — new ignition control module (twice) still misfired all cylinders after 5 returns to first shop, took to another shop (subie dealer) valves adjusted to spec - way out at previous shop compression test 90% - leakdown ok FLOW ON INJECTORS OK PER DEALER got car back - drove 800 miles all good today per scan tool now misfire on #4 (highway speed) had flashing cel for 5 seconds - now on solid car tends to sit for months without running (i have 2 addresses) latest misfire in single digit temps with 4 month old gas no power loss - no overheating any ideas?