Quote:
Originally Posted by spacemanspif
It's been shown on this forum that DFCO (deceleration fuel cut off) is less efficient than coasting in neutral so no real need to add DFCO; you're better off staring to coast in neutral earlier instead of relying on the engine to slow you down.
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Could you show me where that is? I ask because I do not see that happening with my truck, as the PCM artificially raises the idle speed when the truck is moving and you shift into neutral. It really annoys me...
