chugging, hesitation..
Thread Starter
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I'm hitting easy street
Joined: Nov 2009
Posts: 6,395
Likes: 27
From: Central Oregon
chugging, hesitation..
Ok, coming down from Seattle today on I-5 I was rolling along at 70 manual throttle. Rolled up a little hill, the engine would chug or hesitate. Then on another hill, cruise control on, it did it again. This time when the tranny down shifted to keep rolling at 70, it stopped, (the chugging) and cruised right up over with out missing a beat. ECT 192 EOT 203
EGR opening and closing? Any thoughts?
Hasn't or doesn't do it running around town.
Thanks.
EGR opening and closing? Any thoughts?
Hasn't or doesn't do it running around town.
Thanks.
Thread Starter
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I'm hitting easy street
Joined: Nov 2009
Posts: 6,395
Likes: 27
From: Central Oregon
You see them (mods) Miles 35,000 Bugs splattered on windshield. Cleaned egr a couple weeks ago. (yes new gasket kit)
No codes listed. Italian tune up? Last Friday pulled 8800lbs 300 miles from Medford Oregon to Portland, Oregon. 4 passes. Each about 1000 ft. elevation change. No problems. Been "hammering on the throttle" before leaving town last week.
Run Power service diesel clean (grey bottle) every tank. Buy my fuel at mass quantity fuel stop. ( Pilot on I-5 in Central Point Oregon ) Oil changed 500 miles before trip.
checked for water in fuel, none.
Fuel filters changed 6000 miles ago. All OEM filters
ICP was running about 2300-2800 ( highway speeds)
Volts while running down highway 13.9-14.2
Thanks
Run Power service diesel clean (grey bottle) every tank. Buy my fuel at mass quantity fuel stop. ( Pilot on I-5 in Central Point Oregon ) Oil changed 500 miles before trip.
checked for water in fuel, none.
Fuel filters changed 6000 miles ago. All OEM filters
ICP was running about 2300-2800 ( highway speeds)
Volts while running down highway 13.9-14.2
Thanks
Thread Starter
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I'm hitting easy street
Joined: Nov 2009
Posts: 6,395
Likes: 27
From: Central Oregon
No I didn't. Is there a link in your spec sheets for this? Will do it!
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Fleet Owner
Joined: Nov 2003
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It may be a long shot because it sounds more like a VGT actuator (or turbo) or maybe IPR issue (at least to me), but it is pretty easy to clean them.
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Post Fiend
Joined: Oct 2009
Posts: 12,123
Likes: 35
From: N. Fort Worth, tx
ipr at idle is good. anything under 24% is spec. Icpv should be about .82 or so and idle, over a volt and its bad
just a little note the trucks have some knowen issues with speed contoll and surging going up and down hills. that would be somewhat normal operation.
just a little note the trucks have some knowen issues with speed contoll and surging going up and down hills. that would be somewhat normal operation.
Thread Starter
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I'm hitting easy street
Joined: Nov 2009
Posts: 6,395
Likes: 27
From: Central Oregon
Should I still look into clean the MAP tube as suggested? I should anyway just to learn a little more. Don't mind it.
Thanks everyone for the inputs.
Post Fiend
Joined: Oct 2009
Posts: 12,123
Likes: 35
From: N. Fort Worth, tx
IF you can moniter icp voltage that would be icpv. there is a way to do it and it is listed in the 6.0 info/tech folder. I woudl post a link to it but Im not sure were it is as I have never looked in the folder (sorry to admit that).
It would not hert to look at the ebp, ebp tube and map hose. also check the map port in the intake. you may even want to remove and clean the IAT2
next time try it w/o speed controll on to varifiy what I said. I think the speed contoll on the diesel trucks kinda sucks unless your on flat ground.
It would not hert to look at the ebp, ebp tube and map hose. also check the map port in the intake. you may even want to remove and clean the IAT2
next time try it w/o speed controll on to varifiy what I said. I think the speed contoll on the diesel trucks kinda sucks unless your on flat ground.
Thread Starter
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I'm hitting easy street
Joined: Nov 2009
Posts: 6,395
Likes: 27
From: Central Oregon
Thanks again.
Sean
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