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12-27-2016, 06:56 PM
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#1
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Name: skilletky
Title: i love lamp
Status: Not Here
Join Date: Feb 2009
Location: burlington, KY
Member`s Gallery
Posts: 342
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Idle jumped to 2000 Rpms
Was just pulling into my driveway and tapped the throttle to get up the hill. When I pushed in the clutch, the Rpms went up to 2000. Shut the truck off and checked all my throttle linkages and all is good. Started the truck back up and it idled fine. I hardly even tapped the throttle and it went right to 2000 Rpms. If I lightly push the throttle lever towards idle, it will idle normal, but the second I tap it to idle up, back to 2000. It will rev up fine but won't go below 2000. It's a 215 pump, pac brake 4k springs. Should I look at gov Springs, or could a plunger/ rack be starting to stick. Not sure on milage of the pump.
__________________
-01 2wd dually, 6x.016's, 188/220 cam, pee pumped, CPP hot street DV's, #5 plate, FASS220 ,stg3 snow performance, valair triple disk, 64 over 75, arp625's, 110 Springs,o ringed head,26* timing, redneck maxed 215 pump
-95 f250 xlt 7.3, ts6
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12-27-2016, 09:55 PM
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#2
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Name: Stox5225
Title: Green Behind the Ears
Status: Not Here
Join Date: Nov 2016
Location: Lillington, NC
Member`s Gallery
Posts: 97
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Return springs could be toast.
Sent from my iPhone using Tapatalk
__________________
1997 Cummins 2500; NV4500HD; SB DD; 315/75R16; 3rd Gen Track Bar; 63/65/14; AFC Live; 7mm DV's; 4 GSK; Mac Rack Plug; Custom Fuel System; 5x.012; Colt Cam Big Stick; 60# Springs; PDD Stage 1 Push Rods; O-Ring Head; Head Studs; Fluidampr; Boost/EGT/FP Gauges
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12-27-2016, 10:02 PM
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#3
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Name: 95cummins5.9
Title: Old man ***** gossiper
Status: Not Here
Join Date: Jun 2012
Location: U.S.A
Member`s Gallery
Posts: 4,720
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Throttle cable frayed?
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12-27-2016, 10:21 PM
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#4
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Name: RDPsmoker
Title: OUT TO LUNCH..
Status: Not Here
Join Date: Nov 2010
Location: Casper or Laramie WY
Member`s Gallery
Posts: 1,815
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Does it still do it when you operate the throttle by hand right off the pump?
__________________
-DUSTIN-
THANKS TO MAXTORQ
95 2500
-DPC
-SUNCOAST
03 3500
-Stock for now
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12-28-2016, 01:58 AM
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#5
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Name: Tate
Title: What?
Status: Not Here
Join Date: Nov 2007
Location: Airdrie, Alberta
Member`s Gallery
Posts: 3,419
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Quote:
Originally Posted by Stox5225
Return springs could be toast.
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Quote:
Originally Posted by 95cummins5.9
Throttle cable frayed?
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These, or your idle screw may have turned. Disconnect the cable and see if it still does it.
__________________
'98 3500 2wd, 24v, 5 spd, p-pumped
'98 2500 4wd, 12v, 6 spd, VP'd
'02 VW Jetta, 5 spd.
My p-pump conversion pics
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12-28-2016, 07:14 AM
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#6
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Name: skilletky
Title: i love lamp
Status: Not Here
Join Date: Feb 2009
Location: burlington, KY
Member`s Gallery
Posts: 342
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Cable and springs are good. I think you may be right about the idle screw. It didn't cross my mind cause the truck had no issue until I pulled into my driveway. The idle screw on my first gen worked it's way loose once, on a 1 min highway drive. You could image my face when I left off the pedal and the truck kept going 75.
__________________
-01 2wd dually, 6x.016's, 188/220 cam, pee pumped, CPP hot street DV's, #5 plate, FASS220 ,stg3 snow performance, valair triple disk, 64 over 75, arp625's, 110 Springs,o ringed head,26* timing, redneck maxed 215 pump
-95 f250 xlt 7.3, ts6
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12-29-2016, 12:45 PM
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#7
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Name: skilletky
Title: i love lamp
Status: Not Here
Join Date: Feb 2009
Location: burlington, KY
Member`s Gallery
Posts: 342
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Finally got a good dry day to look at this heap. Everything external is good. Started it up and it idled fine at first. Got the Rpms up to 2000 and let off the pedal, and the Rpms kinda hung there for a second, then slowly went back down to idle. Pulled the afc housing and fuel plate out. Rack is moving free, gov Springs look good, nothing looks out of place. Could the gov Assy just be wore out?
__________________
-01 2wd dually, 6x.016's, 188/220 cam, pee pumped, CPP hot street DV's, #5 plate, FASS220 ,stg3 snow performance, valair triple disk, 64 over 75, arp625's, 110 Springs,o ringed head,26* timing, redneck maxed 215 pump
-95 f250 xlt 7.3, ts6
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12-29-2016, 01:18 PM
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#8
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Name: Tate
Title: What?
Status: Not Here
Join Date: Nov 2007
Location: Airdrie, Alberta
Member`s Gallery
Posts: 3,419
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Did you adjust the idle screw?
__________________
'98 3500 2wd, 24v, 5 spd, p-pumped
'98 2500 4wd, 12v, 6 spd, VP'd
'02 VW Jetta, 5 spd.
My p-pump conversion pics
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12-29-2016, 01:34 PM
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#9
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Name: skilletky
Title: i love lamp
Status: Not Here
Join Date: Feb 2009
Location: burlington, KY
Member`s Gallery
Posts: 342
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Yeah. Didn't help. But I think I figured it out. It comes down to me being a forgetful dumb ass. I went to adjust to gov lever a while back, and I adjusted the screw out too far and it fell down into the gov housing. Pulled the pump off, got the screw out, and I put it back in, but just barely. I was going to adjust the lever we I got the other parts I was waiting on before I put my pump back on. Well I forgot about it, and I think the lever was getting hung up on top of the afc foot. I just adjusted it, and truck is running fine now. May just be a coincidence
__________________
-01 2wd dually, 6x.016's, 188/220 cam, pee pumped, CPP hot street DV's, #5 plate, FASS220 ,stg3 snow performance, valair triple disk, 64 over 75, arp625's, 110 Springs,o ringed head,26* timing, redneck maxed 215 pump
-95 f250 xlt 7.3, ts6
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12-29-2016, 02:05 PM
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#10
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Name: CorneliusRox
Title: Seasoned Rookie
Status: Not Here
Join Date: Dec 2012
Location: Detroit, MI
Member`s Gallery
Posts: 4,154
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Quote:
Originally Posted by skilletky
Yeah. Didn't help. But I think I figured it out. It comes down to me being a forgetful dumb ass. I went to adjust to gov lever a while back, and I adjusted the screw out too far and it fell down into the gov housing. Pulled the pump off, got the screw out, and I put it back in, but just barely. I was going to adjust the lever we I got the other parts I was waiting on before I put my pump back on. Well I forgot about it, and I think the lever was getting hung up on top of the afc foot. I just adjusted it, and truck is running fine now. May just be a coincidence
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If it doesn't go away, try putting additive in your fuel. If that makes it change/go away, you likely have a plunger getting caught up on a barrel. That's what happened to mine at least and I spent way to much time trying to diagnose it.
__________________
Corey - BSME '21 Tesla Model 3 Perf
'22 DMax AT4 2500
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12-29-2016, 02:10 PM
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#11
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Name: skilletky
Title: i love lamp
Status: Not Here
Join Date: Feb 2009
Location: burlington, KY
Member`s Gallery
Posts: 342
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I run an ounce of marine 2 stroke oil for every gallon of fuel. I think I need to just buy a 13mm pump for it.
__________________
-01 2wd dually, 6x.016's, 188/220 cam, pee pumped, CPP hot street DV's, #5 plate, FASS220 ,stg3 snow performance, valair triple disk, 64 over 75, arp625's, 110 Springs,o ringed head,26* timing, redneck maxed 215 pump
-95 f250 xlt 7.3, ts6
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01-03-2017, 07:35 PM
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#12
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Name: blackcloudCTD95
Title: Too Much Time
Status: Not Here
Join Date: Oct 2007
Location: south Fl
Member`s Gallery
Posts: 754
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Check the gov springs. I adjusted my idle one time and I had no pedal response.. the only way I could raise the rim was by moving the rack with my finger. So I got a new pump benched and flowed. And when I swapped out Springs I herd a click and boom so now I have a perfectly fine spare parts for a p pump
__________________
98 qclb 5x14, 191's , benched pump to 425cc , 4k , 23* head studs , valve springs , hx35/sxe366 compound kit. built trans
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01-04-2017, 04:18 PM
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#13
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Name: skilletky
Title: i love lamp
Status: Not Here
Join Date: Feb 2009
Location: burlington, KY
Member`s Gallery
Posts: 342
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I checked them, and just checked them again because this bastard truck just did the same thing. Except this time, when I started it, it ran fine, bumped the throttle and the Rpms went up, came back to idle, then slowly started rising on its own. Looking at it again now to try and figure it out.
__________________
-01 2wd dually, 6x.016's, 188/220 cam, pee pumped, CPP hot street DV's, #5 plate, FASS220 ,stg3 snow performance, valair triple disk, 64 over 75, arp625's, 110 Springs,o ringed head,26* timing, redneck maxed 215 pump
-95 f250 xlt 7.3, ts6
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01-04-2017, 06:47 PM
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#14
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Name: CorneliusRox
Title: Seasoned Rookie
Status: Not Here
Join Date: Dec 2012
Location: Detroit, MI
Member`s Gallery
Posts: 4,154
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Check out post 10 again.
__________________
Corey - BSME '21 Tesla Model 3 Perf
'22 DMax AT4 2500
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01-16-2017, 04:31 PM
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#15
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Name: odieub
Title: Too Much Time
Status: Not Here
Join Date: Nov 2007
Location: Leitchfield, KY
Member`s Gallery
Posts: 923
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I had a ppumped 24v do this once on the stand. Idle fine till you gave it some throttle then it would idle itself up. Messed with adjusting Gov springs for 2 hrs. Got mad jerked them out and installed another set. Was fine then. Was pac brake. Looked at them real good and one wasn't machined for length right ,the biggest in there set. Was kinda crooked too.
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95 1500 rc sb 2wd p7100 24v auto, ats 5 star, suncoast kit, dtt billit input, sperico, fun tire eater. In pieces
95 2500 2wd rclb nv5600 500k 5x.012 ddp 887 pump, #11 plate hx35/40-14cm
16 3500 4wd aisin cclb dually flatbed, toy hauler
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01-19-2017, 03:58 PM
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#16
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Name: skilletky
Title: i love lamp
Status: Not Here
Join Date: Feb 2009
Location: burlington, KY
Member`s Gallery
Posts: 342
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I've got pac's in my pump. After I bought them and put them in the pump, I found all the bad about them. Truck has been running fine ever since it's last f up. Now it's going to do it again because I said something.
__________________
-01 2wd dually, 6x.016's, 188/220 cam, pee pumped, CPP hot street DV's, #5 plate, FASS220 ,stg3 snow performance, valair triple disk, 64 over 75, arp625's, 110 Springs,o ringed head,26* timing, redneck maxed 215 pump
-95 f250 xlt 7.3, ts6
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