P0300 code on a 2000 toyota avalon. Random cylinder misfire(2,4,6) what's the likely cause? Could it be oil controll valve?

Asked by Nov 17, 2013 at 09:19 AM about the 2000 Toyota Avalon XL

Question type: Maintenance & Repair

Only performs poorly after warm up

1 Answer

63,055

Sounds like a failing ignition coil or ignition module. Most often when they go bad they'll work fine when cold but once they warm up they break down. HTH. -Jim

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