Ive Got it Pinpointed Help!!! - Ford Powerstroke Diesel Forum
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post #1 of 6 Old 01-03-2010, 03:24 PM Thread Starter
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Ive Got it Pinpointed Help!!!

Ok well i kinda have it pin pointed and i hope my descriptions will make it easier for those more smarter than i...

Symptoms: truck will turn over fire then die repeatedly before finally firing and running as if nothing is wrong. this has been going on for a week. this is only when the truck is cold.. if it is warm it will start right back up.

Now here is where i think i have pinpointed the problem.. just not sure what it is. when i go to start the truck you get the usual injectors cycling as well as a louder hum(not every time) and a lower toned hum as well. I have noticed every time when i try and start it.. if i dont here the "quieter" or lower toned hum it will not fire but as soon as i hear it it will fire.

My question is what is the "quieter hum" that turns on when you go to start the truck?

Any and all help is beyong greatly appreciated....

2007 F-250 Lariat Crew Cab
SPL LED Lightbar
20" Fuel Rims
35" Nitto MT's
SCT Livewire w/ Tony Wildman Tunes
PMM Full EGR Delete/ Coolant Kit
Hornblasters 540 Kit
LED Lightiing All Around
All kinds of other Goodies!
2005 Lariat Crew- GONE!
2011 Lariat Ultimate Crew- GONE!!!
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post #2 of 6 Old 01-06-2010, 07:42 AM Thread Starter
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*UPDATE* Had it at the dealership this morning... they said it is the Starter/Fuel pump relay in the central Junction box... Now the kicker... you cant just replace the relay because it is built into the box... so im out 500 bones for a 35 dollar relay...that is built into the whole box?.....

2007 F-250 Lariat Crew Cab
SPL LED Lightbar
20" Fuel Rims
35" Nitto MT's
SCT Livewire w/ Tony Wildman Tunes
PMM Full EGR Delete/ Coolant Kit
Hornblasters 540 Kit
LED Lightiing All Around
All kinds of other Goodies!
2005 Lariat Crew- GONE!
2011 Lariat Ultimate Crew- GONE!!!
Back in a 6.0hhhhh and lovin it!
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post #3 of 6 Old 01-06-2010, 08:40 AM
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Hmmmm. I wonder why that is... I had never heard that before.

Shawn Carlson
EvilEye@powerstroke.org

Proud Navy Vet
2005 F250, CCSB, 6.0 PSD, FX4 (The Sweet Unit is white)
2008 F350, CCLB, 6.4 PSD (Brad-the wife's truck is black)




Engine Mods:
Fluidampr
CCV Reroute (Reinstated)
4" MBRP Exhaust
MTW Stage 1 Turbo
Bulletproof 53V FICM
BulletProof EGR Cooler
BulletProof Water Pump
Riff Raff Intercooler Boots
Gogo Diesel Direct Drive Solenoid
BulletProof All-Aluminum Radiator
BulletProof All-Aluminum Intercooler
BulletProof Oil Cooler System w/ Bypass Filter
SCT w/ Custom Tunes (TSD, DJ's, Innovative, Gearhead, QuickTricks)

Exterior Mods:
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Icon Adjustable Trac Bar
Firestone RideRite Air Bags
BDS Dual Steering Stabilizer
Aluminum Finned Differential Cover
Reese 16k Manual Slider 5th Wheel Hitch
Icon 2.5" Leveling Kit w/ F-350 rear blocks
20" BMF Novakanes wrapped in 33" Nitto Terra Grapplers
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post #4 of 6 Old 01-06-2010, 08:48 AM
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Yes, the fuel pump relay is NOT serviced separately. You do have to buy the whole central junction box. I'm assuming the fuse and internia switch checked out good, but was not getting power to the fuel pump as the reason for replacement.

http://www.yorkdaleford.com/service.html

Ford Diesel/Senior/Master Tech who placed 2nd overall in Ontario on the Fix-It-Right-First-Visit score for 2010

....who works at a dealership that now employs SOME half decent looking female employees since they overhauled most of the administrative staff

....but STILL loves hot women with big boobies

....and STILL hates working on E-Series with 6.0L
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post #5 of 6 Old 01-06-2010, 12:16 PM Thread Starter
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well thats good to know... thanks for the heads up... mr chan... my dealership may not be the cheapest but they always take care of me... worth the lil extra money for peace of mind

2007 F-250 Lariat Crew Cab
SPL LED Lightbar
20" Fuel Rims
35" Nitto MT's
SCT Livewire w/ Tony Wildman Tunes
PMM Full EGR Delete/ Coolant Kit
Hornblasters 540 Kit
LED Lightiing All Around
All kinds of other Goodies!
2005 Lariat Crew- GONE!
2011 Lariat Ultimate Crew- GONE!!!
Back in a 6.0hhhhh and lovin it!
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post #6 of 6 Old 01-08-2010, 10:10 AM Thread Starter
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just wanted to give yall an update... that was the problem... havent had one issue since the new box was put in...im actually lucky... it could have been alot worse

2007 F-250 Lariat Crew Cab
SPL LED Lightbar
20" Fuel Rims
35" Nitto MT's
SCT Livewire w/ Tony Wildman Tunes
PMM Full EGR Delete/ Coolant Kit
Hornblasters 540 Kit
LED Lightiing All Around
All kinds of other Goodies!
2005 Lariat Crew- GONE!
2011 Lariat Ultimate Crew- GONE!!!
Back in a 6.0hhhhh and lovin it!
fdchief is offline  
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