Toyota Prius owners have reported 1 problem related to engine knocking noise (under the engine and engine cooling category).
Upon starting vehicle, a very loud knocking noise, accompanied by shaking occurred. At this time no failure/warning lights appeared on dashboard. Moved car forward approximately 15 feet, and placed car in park, knocking/shaking did not abate. Turned car off. The next day, the car, upon starting had the same loud knocking/shaking. It was audible from several feet away from the car. On the second time, it was accompanied by a warning light to put the car in park. Vehicle was towed to the dealership.
See all problems of the 2011 Toyota Prius.
|Problem Category||Number of Problems|
|Engine And Engine Cooling problems||
|Car Stall problems||
|Engine Burning Oil problems||
|Check Engine Light On problems||
|Engine Stall problems||
|Water Pump problems||
|Engine Shut Off Without Warning problems||
|Engine Cooling System problems||
|Engine Failure problems||