Its better than the 6.0 but it was not designed to idle, which is all a bucket truck does. We had to drive it down the road 20 miles at a high speed to clean the exhaust filter when it was new. Then Fords solution was to reprogram the computer so you didnt have to drive 20 miles at a high speed to clean the filter. Great problem fixed.............. Well untill the fllter plugged up so full I had to replace it. Then they reprogramed the computer so we have to drive down the road again. Grrrrrr
6.7 work great. 7.3 even better.
Re: 6.4 diesel truck problems????
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