381-horsepower 5.7L V8 6-speed shiftable automatic 4WD, part-time w/low range
106000 mi | Truck occasionally hesitated to start, had a fuel rich smell immediate after starting, and I checked for codes and got a series of codes showing too rich banks and some sensors. Dealership reset engine control module and cleared codes after several days of test driving, but no definitive cause or defective part. |
310-horsepower 4.6L V8 6-speed shiftable automatic 4WD, part-time w/low range
27280 mi | Whine during acceleration when outside temps are below -5C. Found noisy water pump, replaced under warranty. |
381-horsepower 5.7L V8 6-speed shiftable automatic 4WD, part-time w/low range
5200 mi | Ignition switch malfunction-will not turn |