Three problems related to engine stall have been reported for the 2001 Toyota Prius. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Toyota Prius based on all problems reported for the 2001 Prius.
: the contact stated while driving at 65mph, the vehicle stalled and operated at a reduced speed which occurred without prior warning. During the incident, all dash panel warning lights illuminated. The engine did not stall out completely and the vehicle was driven to a dealership. The service department determined the electronic control module failed and needed to be replaced.
Engine intermittent stalling. Engine runs rough and gives code "171 lean missfire" dealer attemps to fix the problem involve adding fuel injector cleaner and resetting the code. Up till today stalls have been either at 55 to 65 for short period of time aprox. 2 seconds. Today vehicle limped home about 5 miles. Same code displayed. "!" also displayed on dash and trouble code 171. After three on off cycle on the key "!" was no longer displayed. Car runs again.
The contact owned a 2001 Toyota Prius. The contact was driving approximately 30 mph on normal road conditions. The "hybrid" (exclamation mark) warning indicator illuminated on the instrument panel. Immediately, the engine stalled. The warning light remained illuminated until the engine was turned off. The identical failures occurred on twenty separate occasions. The vehicle was towed to an authorized dealer for diagnostic testing. The engine started and resumed normal operation. The failure mileage was 16,000. The contact no longer owned the vehicle. Updated 4/5/10 the consumer has since sold the vehicle. Updatd 06/14/10.