Put your thinking caps on....... - Diesel Truck Forum - TheDieselGarage.com
Thread Details Posted by Smokem, this thread has received 6 replies and been viewed 594 times.

 
LinkBack Thread Tools Display Modes
post #1 of 7 (permalink) Old 07-18-2007, 01:06 AM Thread Starter
 
Join Date: Dec 2008
Posts: 2,189
Points: 44,843
Thanks: 0
Thanked 0 Times in 0 Posts
Put your thinking caps on.......

Ok my fuel pump did not kick on. This is fact, it hasn't worked for over about year probably. Now, I just got around to trying to find out what was wrong with. Well I didn't, no suprise. So I just re wired the ground and wired up the power to a switch, now it works. Any guess's why it didn't come on? It gets it's power threw the PCM, so............ Did I have a ground problem? Maybe. Did the stupid Crystler PCM stop it from kicking on? Very Possible....

Any guess's???? I have no idea!laugh
Smokem is offline  
Sponsored Links
Advertisement
 
post #2 of 7 (permalink) Old 07-18-2007, 01:29 AM
Senior Member
 
sstockton's Avatar
 
Join Date: Jan 2009
Posts: 3,514
Points: 69,222
Thanks: 3
Thanked 64 Times in 60 Posts
Those two sound pretty plausible. Or, possibly a bad connection at the harness it plugs into, thats my only other thought. Or bad wiring somewhere in between the PCM and the pump.
Sean

2000 2500 reg. cab 4x4 auto 577hp
09 6.7L QC LB stick, 4x4.

TOTAL PERFORMANCE DIESEL 707-545-FUEL (3835)
www.totalperformancediesel.com
sstockton is offline  
post #3 of 7 (permalink) Old 07-18-2007, 01:30 AM Thread Starter
Threadstarter
 
Join Date: Dec 2008
Posts: 2,189
Points: 44,843
Thanks: 0
Thanked 0 Times in 0 Posts
I was just wondering at the thought of some how the PCM telling the Fuel pump not to kick in for some reason..........
Smokem is offline  
post #4 of 7 (permalink) Old 07-18-2007, 04:05 AM
Senior Member
 
Join Date: Jan 2009
Location: Shingletown ca
Posts: 1,189
Points: 51,000
Thanks: 4
Thanked 63 Times in 59 Posts
Garage
my truck did the same thing took it into the shop and 400 dollars later they finally found the problem it was a bad ground but the thing still only works now and then but thats why I have my holley blue for no worries
01quadcab is offline  
post #5 of 7 (permalink) Old 07-18-2007, 04:35 AM Thread Starter
Threadstarter
 
Join Date: Dec 2008
Posts: 2,189
Points: 44,843
Thanks: 0
Thanked 0 Times in 0 Posts
Well I think if the PCM was telling it to shut off, there has to be a reason you wouldn't want the pump running. Anyone got any ideas, of when the pump shouldn't be running. I would think It'd need to bed running all the time the engine is running. Unless somehow the PCM thinks the engine is off, but then I think I'd be throwing all kinds of codes. Like I said before, I'm clueless here. However here's a hint, when I put the key foward, the pump would kick on, for only a split second. But in my opinion that doesn't rule anything out.
Smokem is offline  
post #6 of 7 (permalink) Old 07-18-2007, 06:53 AM
Mafia member 46
 
Join Date: May 2005
Posts: 555
Points: 1,677
Thanks: 1
Thanked 3 Times in 3 Posts
Dad had a similar issue with his "02, the fuel pump would run correctly until he started driving then it would drop. He replaced the lift pump with a FASS and it didn't help. The IP got replaced (P0216 and 1693 codes) and it still did did it intermittantly. at the end the truck wouldn't run @ all. He had to have the ECM replaced and it was fixed.

Current: '07.5 2500 QC/SB ETJ/68RFE, 4x4, Fabtech 6" lift, KMC XD "Diesel" 20x10 wheels, Pro Comp X all terrain 37x13.5R20 tires, BDog P Pup AFE, MegacannonII, H&S Gen 1 DPF Delete, EGR unplugged. Dynoed 361hp/677tq 20090220
SOLD!'03.5 3500 SRW QC Dynoed 2/11/06 457hp/1002tq
Scrappy is offline  
post #7 of 7 (permalink) Old 07-18-2007, 02:31 PM Thread Starter
Threadstarter
 
Join Date: Dec 2008
Posts: 2,189
Points: 44,843
Thanks: 0
Thanked 0 Times in 0 Posts
Interesting.............
Smokem is offline  
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Diesel Truck Forum - TheDieselGarage.com 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









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