Prius (Gen 2) :: ICE Stops After Increasing To 34 MPH
Nov 18, 2014
I have different problem about my prius 2008 Gen II. Recently I have done some maintenance work for my prius from Toyota dealer..they replaced air filter, four ignition plugs and done engine tune-up. After all they execute EDS(Engine Diagnostic Scan) and told me that vehicle is 100% normal even HV battery.
The problem started when I drive after this service. Before the service my car engine normally will stop when soc>60% in low speeds <55 km h (34 mph) (and also when use break) and it is normal as previous it happens. But when it reach beyond 34mph and releasing or controlling accelerator It can glide until SOC<50%. Then ICE will start up and it will never stop even mild slope or when braking. (Previously this is not happen when I using break or drive in mild slopes engine going to stop)
Again if I increase my speed beyond 34mph and when it release the accelerator ICE going to stop. Previously it is no sense for the speed and when I using break even computer shows ICE is used for charging battery it is going to stop.
If I drive my entire trip< 34mph it behaves like normal as previous, but once it go beyond 34mph it is going to some odd mode that I described as above.
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