On higher mileage vehicles, an engine misfire may develop and/or the Check Engine Light may illuminate due to a failed ignition coil. It is not uncommon to replace all the coils when the first one fails in order to prevent return trips to the repair shop.
Problems for specific Toyota Avalon years:
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Most reported 2007 Toyota Avalon problems
well her we are 3 times the charm,. I OWN ONLY TOYOTAS AND THEY HAVE BEEN GREAT WITH THE EXCEPTION OF THE MONEY PIT 2007 AVALON. This all started in 2008, 1 year after its birth, a coil went bad,$400 repair. lets go and move to 2011 more coils fail and it also costs about $300,now we move to 3 years to the date and 5 of 6 cylinders need replacing at the tune of $800.Question why hasn't Toyota admitted to wrong doing and recalled these sh!t car...
1- coil gone bad with 3 pending ignition issues which mens 2 more are on the way dealer price per coil 2007 Avalon Limited
it cost approximately $112.00 per coil not including the labor and if it i a coils in the back it will for labor $400. for each repair bc of the gasket that must be replaced. with that said, if 1 to 3 coils are in the back i do know 1 is and i haven't check to find out how many are located in the back behind the engine. if you replace 1 in the back economically it would be more effective to replace both at the same time to save money. Ever...