Sluggish ecceleration
Logistics Pro
Joined: Mar 2007
Posts: 4,604
Likes: 4
From: Claremore, OK
Welcome to FTE.
If you pin the go pedal to the floor the PCM is going to limit the acceleration; if you roll "on to it" slowly it will scream like a demon. If the sluggish acceleration is something new...could be a couple of things. I'd check for codes first...but off the top of my head: leaking CAC boots, stuck vanes, clogged fuel filters, EGR valve. Also unlike a gas engine, diesels are generally slower spinning; so the RPM don't wrap up as fast as a gasser. The 6.0L is governed at 3600 rpm, where a 5.0 is governed at something like 5500.
If you pin the go pedal to the floor the PCM is going to limit the acceleration; if you roll "on to it" slowly it will scream like a demon. If the sluggish acceleration is something new...could be a couple of things. I'd check for codes first...but off the top of my head: leaking CAC boots, stuck vanes, clogged fuel filters, EGR valve. Also unlike a gas engine, diesels are generally slower spinning; so the RPM don't wrap up as fast as a gasser. The 6.0L is governed at 3600 rpm, where a 5.0 is governed at something like 5500.
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