Check the basics STUPID!!
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still plays with trucks
Joined: Mar 2004
Posts: 1,743
Likes: 3
From: Twin Falls Idaho
Check the basics STUPID!!
the title refers to me. I come before the group to submit for my beating.
I just spent the last week chasing an intermittant low power, high HPOP duty cycle, high EGT nightmare. towing down the road suddenly everything would go to h#ll.
I've changed CPS, injector orings, had the valve covers off twice on the side of the road. i was at a loss. so much so that Cheryl and I discussed getting a new truck.
Bottom line is for 1000 miles of a 1200 mile trip my truck has been poo. Last night we limped into an RV park pulling our hair out.
I'm on the phone with Bob Riley and Bill Cohron. Neither of them can figure it out. WHY WHY WHY is it acting this way!!!! Clay ask me "hows you fuel pressure? Bob ask me hows your fuel pressure?
Fine says I
Suddenly the realization comes on I've only assumed that I have good fuel pressure. Filters not that old and the underhood guage says 65 psi at idle.
I do have a guage I can hook up and watch as I drive. hook it up STUPID.
60 psi at idle, touch the throttle and BAM and IT DROPS TO ZERO! and stays there until its back at idle for 2-3 minutes.
Change the blasted fuel filter, which I had in the tool box by the way, and suddenly I get 12 more lbs of boost, my EGTS drop, I've got my truck BACK.
My HPOP figures are now normal again. I guess having you HPOP trying to compress air with cause high duty cycle.
Bottom line............ Basics...... Basics........ Basics.... and don't assume
$200 dollars, 2 xtra nights on the road and 2 days late for new work project because I assumed.
Thanks everyone for you help, its my fault we didn't find it earlier, cause you could only work with the info I gave you.
I submit on bended knee for the a$$ whoopin that I have coming.
Barney
I just spent the last week chasing an intermittant low power, high HPOP duty cycle, high EGT nightmare. towing down the road suddenly everything would go to h#ll.
I've changed CPS, injector orings, had the valve covers off twice on the side of the road. i was at a loss. so much so that Cheryl and I discussed getting a new truck.
Bottom line is for 1000 miles of a 1200 mile trip my truck has been poo. Last night we limped into an RV park pulling our hair out.
I'm on the phone with Bob Riley and Bill Cohron. Neither of them can figure it out. WHY WHY WHY is it acting this way!!!! Clay ask me "hows you fuel pressure? Bob ask me hows your fuel pressure?
Fine says I
Suddenly the realization comes on I've only assumed that I have good fuel pressure. Filters not that old and the underhood guage says 65 psi at idle.
I do have a guage I can hook up and watch as I drive. hook it up STUPID.
60 psi at idle, touch the throttle and BAM and IT DROPS TO ZERO! and stays there until its back at idle for 2-3 minutes.
Change the blasted fuel filter, which I had in the tool box by the way, and suddenly I get 12 more lbs of boost, my EGTS drop, I've got my truck BACK.
My HPOP figures are now normal again. I guess having you HPOP trying to compress air with cause high duty cycle.
Bottom line............ Basics...... Basics........ Basics.... and don't assume
$200 dollars, 2 xtra nights on the road and 2 days late for new work project because I assumed.
Thanks everyone for you help, its my fault we didn't find it earlier, cause you could only work with the info I gave you.
I submit on bended knee for the a$$ whoopin that I have coming.
Barney
Senior User
Joined: Oct 2009
Posts: 453
Likes: 0
From: Dade City, FL
You have blasphemed. The council will decide your fate. 
Seriously, I'm getting ready to order an overhead gauge pod and some more gauges from Clay. I'm pretty sure a fuel pressure gauge will be one of them.
Seriously, I'm getting ready to order an overhead gauge pod and some more gauges from Clay. I'm pretty sure a fuel pressure gauge will be one of them.
Cargo Master
Joined: Oct 2007
Posts: 2,712
Likes: 107
From: BoCoMo
the title refers to me. I come before the group to submit for my beating.
I just spent the last week chasing an intermittant low power, high HPOP duty cycle, high EGT nightmare. towing down the road suddenly everything would go to h#ll.
I've changed CPS, injector orings, had the valve covers off twice on the side of the road. i was at a loss. so much so that Cheryl and I discussed getting a new truck.
Bottom line is for 1000 miles of a 1200 mile trip my truck has been poo. Last night we limped into an RV park pulling our hair out.
I'm on the phone with Bob Riley and Bill Cohron. Neither of them can figure it out. WHY WHY WHY is it acting this way!!!! Clay ask me "hows you fuel pressure? Bob ask me hows your fuel pressure?
Fine says I
Suddenly the realization comes on I've only assumed that I have good fuel pressure. Filters not that old and the underhood guage says 65 psi at idle.
I do have a guage I can hook up and watch as I drive. hook it up STUPID.
60 psi at idle, touch the throttle and BAM and IT DROPS TO ZERO! and stays there until its back at idle for 2-3 minutes.
Change the blasted fuel filter, which I had in the tool box by the way, and suddenly I get 12 more lbs of boost, my EGTS drop, I've got my truck BACK.
My HPOP figures are now normal again. I guess having you HPOP trying to compress air with cause high duty cycle.
Bottom line............ Basics...... Basics........ Basics.... and don't assume
$200 dollars, 2 xtra nights on the road and 2 days late for new work project because I assumed.
Thanks everyone for you help, its my fault we didn't find it earlier, cause you could only work with the info I gave you.
I submit on bended knee for the a$$ whoopin that I have coming.
Barney
I just spent the last week chasing an intermittant low power, high HPOP duty cycle, high EGT nightmare. towing down the road suddenly everything would go to h#ll.
I've changed CPS, injector orings, had the valve covers off twice on the side of the road. i was at a loss. so much so that Cheryl and I discussed getting a new truck.
Bottom line is for 1000 miles of a 1200 mile trip my truck has been poo. Last night we limped into an RV park pulling our hair out.
I'm on the phone with Bob Riley and Bill Cohron. Neither of them can figure it out. WHY WHY WHY is it acting this way!!!! Clay ask me "hows you fuel pressure? Bob ask me hows your fuel pressure?
Fine says I
Suddenly the realization comes on I've only assumed that I have good fuel pressure. Filters not that old and the underhood guage says 65 psi at idle.
I do have a guage I can hook up and watch as I drive. hook it up STUPID.
60 psi at idle, touch the throttle and BAM and IT DROPS TO ZERO! and stays there until its back at idle for 2-3 minutes.
Change the blasted fuel filter, which I had in the tool box by the way, and suddenly I get 12 more lbs of boost, my EGTS drop, I've got my truck BACK.
My HPOP figures are now normal again. I guess having you HPOP trying to compress air with cause high duty cycle.
Bottom line............ Basics...... Basics........ Basics.... and don't assume
$200 dollars, 2 xtra nights on the road and 2 days late for new work project because I assumed.
Thanks everyone for you help, its my fault we didn't find it earlier, cause you could only work with the info I gave you.
I submit on bended knee for the a$$ whoopin that I have coming.
Barney
Can you put the old filter back in? I am looking for another truck and I figure that I can buy it from you cheaper if it is not running very well?
Once again it takes Family support to tell us what we already know, but wish to over look to find a bigger 'cause'.
Reps to 'The Family'......
Glad you got your truck 'back' and are on the road again.
Hotshot
Joined: Jul 2003
Posts: 12,177
Likes: 40
From: Newport, WA
I have almost decided that a fuel PSI gauge on a PSD is a must. My 96 was having some odd issues, so I bought a tire pressure gauge one day to check fuel PSI and it was 108psi. Never did get a chance to sort the issue out before the truck got totaled last month...
glad you found and fixed the problem Barney!
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Lead Driver
Joined: Jun 2003
Posts: 8,298
Likes: 25
From: Damon (South East Texas)
I am my own worst critic when it comes to judgement. I won't beat you up. I know how you feel, Brother. The main thing is that all is well again. 
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Post Fiend
Joined: Sep 2003
Posts: 6,096
Likes: 26
From: Mesa AZ
Glad you got it figured out. Was it the stock filter that you changed? I had no idea they could get that clogged. Did you delete the bypass valve in the bowl? I wonder how no fuel causes high EGTs?
I bet you are going to find a permanent home for that in cab gauge now.
Thanks for the update. I have a fuel pressure gauge on my truck but it's on the pre-filter port (just because it was easy to get to and I was lazy). If the filters can get that clogged, I should probably relocate it to the post filter port on the housing so I can see when my filter is getting dirty. Adding it to my PSD To Do list now....
I bet you are going to find a permanent home for that in cab gauge now.
Thanks for the update. I have a fuel pressure gauge on my truck but it's on the pre-filter port (just because it was easy to get to and I was lazy). If the filters can get that clogged, I should probably relocate it to the post filter port on the housing so I can see when my filter is getting dirty. Adding it to my PSD To Do list now....
Cargo Master
Joined: Apr 2007
Posts: 2,333
Likes: 1
From: St. Louis, Mo.
Barney - Good to hear you got it figured out & are happy again with your truck. You're right about checking the basics, but sometimes we get ahead of ourselves when troubleshooting. I've done it many times, myself. Good Luck & Happy Camping!
