The 2004 Chevrolet Impala has 4 problems reported for engine stalls/shuts off while driving. Average failure mileage is 105,400 miles.
2004 Chevrolet Silverado stalled while driving at 21000 miles. When the vehicle stalled, the dash read "reduced engine power. " the vehicle would not re-start, steering and the braking was limited. The vehicle finally restarted but there was no power, the vehicle idled roughly and would not travel above 3-5 miles per hour.