Idle Hours Question
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More Turbo
Joined: Apr 2017
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Idle Hours Question
On our 2017 F350 with the 6.7, if the ignition is on in the accessory mode, the engine hours is counting as observed in the trip 1 or 2 display. Is that supposed to record that in accessory mode, and does that count as idle engine hours even though the engine is off ??
We have about 20% idle engines hours compared to the total engine hours, and I think that is high. We take long trips, with very little idling. I idle on a cold start up for a couple of minutes before taking off, and idle at shutdown just enough for my engine oil temperature to get down to about 198 degrees to let the turbos cool down, and that is it.
We have about 20% idle engines hours compared to the total engine hours, and I think that is high. We take long trips, with very little idling. I idle on a cold start up for a couple of minutes before taking off, and idle at shutdown just enough for my engine oil temperature to get down to about 198 degrees to let the turbos cool down, and that is it.
Fleet Mechanic
Joined: Feb 2018
Posts: 1,363
Likes: 5
From: Burton NB Canada
On our 2017 F350 with the 6.7, if the ignition is on in the accessory mode, the engine hours is counting as observed in the trip 1 or 2 display. Is that supposed to record that in accessory mode, and does that count as idle engine hours even though the engine is off ??
We have about 20% idle engines hours compared to the total engine hours, and I think that is high. We take long trips, with very little idling. I idle on a cold start up for a couple of minutes before taking off, and idle at shutdown just enough for my engine oil temperature to get down to about 198 degrees to let the turbos cool down, and that is it.
We have about 20% idle engines hours compared to the total engine hours, and I think that is high. We take long trips, with very little idling. I idle on a cold start up for a couple of minutes before taking off, and idle at shutdown just enough for my engine oil temperature to get down to about 198 degrees to let the turbos cool down, and that is it.
Fleet Mechanic
Joined: Feb 2018
Posts: 1,363
Likes: 5
From: Burton NB Canada
FWIW who knows what the dealership did within those 18 Miles
Mountain Pass
Joined: Dec 2017
Posts: 153
Likes: 24
I was wondering what went into "idle hours" as well.....I was sitting at a red light a couple of weeks ago and the idle counter clicked off another hour. I currently have around 120 "idle" hours out of about 500 total engine hours...there is no way that mine has sat idling for that long.
Posting Guru
Joined: Dec 2017
Posts: 1,441
Likes: 8
Idle seems pretty harmless to me. Way easier on the engine than starting and stopping it with no oil pressure, many times a day.
2015 6.2L:
5361 hours total.
2910 hours idle
120,343 miles.
2015 6.2L:
5361 hours total.
2910 hours idle
120,343 miles.
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Fleet Mechanic
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From: Burton NB Canada
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I have a cousin who took his truck in, this was about 10 years ago now, because he thought his fuel mileage was really low. They said it was because of all the idling he was doing. I don't remember what ever came of it. Just remember thinking at the time that they had no way of knowing how many full throttle starts or how much heavy towing he was doing- or maybe they did.
Senior User
Joined: Apr 2005
Posts: 471
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I have a cousin who took his truck in, this was about 10 years ago now, because he thought his fuel mileage was really low. They said it was because of all the idling he was doing. I don't remember what ever came of it. Just remember thinking at the time that they had no way of knowing how many full throttle starts or how much heavy towing he was doing- or maybe they did.
Posting Guru
Joined: Nov 2002
Posts: 1,222
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From: Texas
On my '17 450, I am at 50% idle out of about 1100 engine hours. I do a lot of idling for my job, but it was already a high ratio at 100 hrs engine time...seems whenever the truck engine is on and there is no pedal input, it adds to the idling--which, technically, is correct?
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Andyjman83
6.7L Power Stroke Diesel
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Jun 18, 2020 07:05 PM