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Question 08, 6.4 does not heat up at idle
The 6.4 engines actuate the turbo vanes at start up with a little motor to clean them out. Its the EGR system and EGR valve used to give such problems with extended idling. The huge cooling system of this engine will heat the block and cooling water up slowly. My truck came with the...- 2x6 bulldog
- Post #33
- Forum: 6.4L PowerStroke Engine & Drivetrain
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What is your Fuel Economy?
F450 4x4 duallie with 4.3 rear end. 9 mpg towing a 13.5k fifth wheel and 13-14 mpg empty highway.- 2x6 bulldog
- Post #149
- Forum: 6.4L PowerStroke Engine & Drivetrain
