Fuel Pump Cuts Out? - Ford Powerstroke Diesel Forum

 
LinkBack Thread Tools Display Modes
post #1 of 6 Old 01-20-2008, 08:54 AM Thread Starter
Member
 
Join Date: Dec 2007
Location: Fairbanks, AK
Posts: 36
Thanks: 0
Thanked 0 Times in 0 Posts
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
Feedback Score: 0 reviews
Fuel Pump Cuts Out?

I just changed out my fuel pump and finally got my truck to start but it wont stay running. It seems like the fuel pump keeps cutting out... I've read about pulling the fuel heater harness, and I think I have but it still acts up. After its sits for a few minutes the pump starts to work again and then fires up only to cut out again. Any thoughts? Oh and the "wait to start light" doesnt come on when the fuel pump doesnt work...

Early '99 F350
XLT CC LB SRW
7.3 PSD
Edge Evolution
DIY Intake
CCV Mod
MBRP 4" Turbo Back Exhaust
PHP Custom Tunes
Summer '12:
Vegistroke or some variation
Webasto Heater
woerthinny is offline  
post #2 of 6 Old 01-20-2008, 09:18 AM
Premium Member
 
SMKSTAX's Avatar
 
Join Date: May 2007
Location: Effort/Nanticoke,Pa.
Posts: 5,441
Thanks: 0
Thanked 0 Times in 0 Posts
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
Feedback Score: 0 reviews
Does your truck run now? If you have no wait to start light check the #22 fuse in your engine bay fuse box. That fuel heater wire generally shorts out and it will blow the #22 30 amp fuse. In addition this fuse controls the PCM also.

RICK


97 F350 CREW CAB 4x4, 7.3 TURBO DIESEL, DIY INTAKE , TW TUNES
GRAND ROCK POWERFLOW STACK KIT W/5" MITRES
3.55 REARS, 3" DOWNPIPE, FPR SHIMMED WITH GAUGE

SMKSTAX is offline  
post #3 of 6 Old 01-20-2008, 09:30 AM
Powerstroke.org Rookie
 
Join Date: Oct 2007
Posts: 25
Thanks: 0
Thanked 0 Times in 0 Posts
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
Feedback Score: 0 reviews
if your wait to start light does not come on you might need a new pcm
strokethis69 is offline  
post #4 of 6 Old 01-20-2008, 09:34 AM
Banned
 
Join Date: Jan 2006
Location: central coast, california
Posts: 0
Thanks: 0
Thanked 5 Times in 3 Posts
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
Feedback Score: 0 reviews
Quote:
Originally Posted by strokethis69 View Post
if your wait to start light does not come on you might need a new pcm
i second this....either your PCM is going bad....or something is shorting it out. That is the ONLY thing ive ever seen cause the wait to start light not to work (besides a burned out light bulb...lol). Start by unplugging the fuel heater.... you also could start pulling some fuses when its acting up to see if something is shorting the PCM. The most common thing to short a PCM besides the fuel heater is the shift solenoids inside the tranny but there are many thing is could be....

The PCM energizes the fuel pump relay....thats why both the wait to start light and the fuel pump are affected....
mschn99 is offline  
post #5 of 6 Old 01-20-2008, 12:40 PM Thread Starter
Member
 
Join Date: Dec 2007
Location: Fairbanks, AK
Posts: 36
Thanks: 0
Thanked 0 Times in 0 Posts
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
Feedback Score: 0 reviews
Thanks for your help with the situation. It turns out that my chip (bully dog 6 pos) was causing the pump to shut off. I took it off and its running fine now. Now I am going to look into problems with the chip... hopefully its a cleanliness issue and not a fried chip : )

Early '99 F350
XLT CC LB SRW
7.3 PSD
Edge Evolution
DIY Intake
CCV Mod
MBRP 4" Turbo Back Exhaust
PHP Custom Tunes
Summer '12:
Vegistroke or some variation
Webasto Heater
woerthinny is offline  
post #6 of 6 Old 01-20-2008, 12:44 PM
Premium Member
 
SMKSTAX's Avatar
 
Join Date: May 2007
Location: Effort/Nanticoke,Pa.
Posts: 5,441
Thanks: 0
Thanked 0 Times in 0 Posts
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
Feedback Score: 0 reviews
Need to change your sig then. I was going to suggest you check your chip too but i didn't think you had it yet. Glad ya got it figured out.

RICK


97 F350 CREW CAB 4x4, 7.3 TURBO DIESEL, DIY INTAKE , TW TUNES
GRAND ROCK POWERFLOW STACK KIT W/5" MITRES
3.55 REARS, 3" DOWNPIPE, FPR SHIMMED WITH GAUGE

SMKSTAX is offline  
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Ford Powerstroke Diesel Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in









Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.



Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome