Ford f150 2001 - 4.2 L V6 Engine (4 X2 and 4 X4) Upshifts When Cruising; 4.6 L V8 Engine (4 X2 and 4 X4 with 3.08:1 Rear Axle Ratio) Upshift When Accelerating;Cruising

Upshifts when cruising (recommended for best fuel economy)
Shift from: Transfer case position (if equipped)
2H or 4H 4L
1 - 2 18 km/h (11 mph) 8 km/h (5 mph)
2 - 3 34 km/h (21 mph) 18 km/h (11 mph)
3 - 4 50 km/h (31 mph) 23 km/h (14 mph)
4-
D
(Overdrive) 69 km/h (43 mph) 27 km/h (17 mph)
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4.6L V8 engine (4x2 and 4x4 with 3.08:1 rear axle ratio)
Upshifts when accelerating (recommended for best fuel economy)
Shift from: Transfer case position (if equipped)
2H or 4H 4L
1 - 2 24 km/h (15 mph) 14 km/h (9 mph)
2 - 3 40 km/h (25 mph) 19 km/h (12 mph)
3 - 4 58 km/h (36 mph) 23 km/h (14 mph)
4-
D
(Overdrive) 72 km/h (45 mph) 27 km/h (17 mph)
Upshifts when cruising (recommended for best fuel economy)
Shift from: Transfer case position (if equipped)
2H or 4H 4L
1 - 2 16 km/h (10 mph) 6 km/h (4 mph)
2 - 3 34 km/h (21 mph) 16 km/h (10 mph)
3 - 4 51 km/h (32 mph) 21 km/h (13 mph)
4-
D
(Overdrive) 72 km/h (45 mph) 27 km/h (17 mph)
Driving
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