2002 f 450 7.3 diesel runs at 2700 rpm at 70 mph is that normal sounds like the motor is screaming.

Asked by Jul 08, 2019 at 08:22 PM about the 2002 Ford F-450 Super Duty

Question type: Maintenance & Repair

3 Answers

253,415

Count the up shifts. Sounds like it may not be shifting into top gear.

It shifts all the way to 4th. I believe it only has 4 gears

253,415

What is the final gear ratio? Your truck is probably geared for towing heavy loads.

Your Answer:

F-450 Super Duty

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