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Toyota Prius Most Common Problems

52
bulb: headlight
37
battery pack (hybrid or EV)
29
wheel bearing / hub
13
water pump
10
strut (suspension)
9
engine coolant control valve
7
A/C compressor
7
inverter cooling pump (EV or hybrid)
7
TPMS (tire pressure monitor) sensor
6
A/C recharge (no parts replaced)
6
audio / nav / infotainment display / touch screen
6
inverter (EV or hybrid)
5
coil spring
5
end link or bushing for stabilizer bar
5
headlight housing / assembly
5
oxygen sensor
5
under body panel / splash shield
4
blower motor / HVAC interior fan
4
exhaust flex pipe / mid pipe / tail pipe
4
headlight / DRL / front turn signal wiring
 
6   12   18   24   30   36   42   48   54   60  
Chart is based on 2444 vehicles in TrueDelta's reliability survey.
These are the problems owners most commonly reported on TrueDelta's Car Reliability Survey. For many models not all entries have been coded yet, so focus on the relative numbers rather than the absolute numbers. Usually when people say "they all have this problem," the problem in question actually affects between 10 percent and 20 percent of all cars. We aren't counting wear items like brake pads and rotors that truly do require periodic replacement on all cars.

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