So I just took my 2012 Prius Four into the local dealer to perform the routine major service (done every 30,000 miles) as it was approaching 120,000 miles and I received a recommended laundry list of pricey maintenance work. Spark…

So I just took my 2012 Prius Four into the local dealer to perform the routine major service (done every 30,000 miles) as it was approaching 120,000 miles and I received a recommended laundry list of pricey maintenance work. Spark…
Spark Plugs Replacement on a 3rd Gen Prius My 2012 Prius Four has reached 120,000 miles and symptoms of rough idle, cold start rattle, decreasing fuel efficiency and sporadic loss in power (especially during acceleration), has become almost a once-a-week…