Go Back   Ford Truck Enthusiasts Forums > Misc. > Alternative Fuels, Hybrids & Mileage
Sign in using an external account
Register Forgot Password?


Welcome to Ford-Trucks Forums!
Welcome to Ford-Trucks.com.

You are currently viewing our forums as a guest, which gives you limited access to view most discussions and access our other features. By joining our community you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is fast, simple and absolutely free so please, join the Ford-Trucks Forums community today!





 
Reply
 
 
 
 
LinkBack Thread Tools Search this Thread
  #1  
Old 03-24-2007, 03:13 PM
ron dennis ron dennis is offline
New User
 
Join Date: Aug 2006
Posts: 8
ron dennis is starting off with a positive reputation.
cng fuel problem

I pulled a p1152 code out of the truck's computer, I have a 1997 f-250 5.4 ltr that is dedicated cng...no gasoline. It has a 4 speed automatic.

Anyway I was driving on the freeway when the engine light popped on and I noticed a slight skip here and there. When I left a store parking lot and turned the corner the truck started to sputter and then just quit like I had turn the ignition off.

Now I bench tested the two o2 sensors using a small flame from a blow torch to measure if I had a changing electical value that ranges from 0.1 to 0.9 and they seem to react fine so I cleaned them up and popped them back in. I know that the p1152 is not an exact pin point cause for the problem. I grabbed a can of starting fluid and rigged up a vacuum hose tied into the intake manifold and sprayed as I cranked the engine, it started right up and ran fine until I ran out of fluid. I tried to start it back up less the fluid but it will not start so I feel it may be a fuel regulator problem? I know I have pressure 3000 psi going into the regulator because I opened the drain valve on the filter housing which goes right into the regulator and it has plenty of blasting pressure so I am sure that is good.

I have checked for vacuum leaks, pcv valve, dipstick seating etc...

Anyone have an idea about what the problem is I would like to hear it, thanks ahead of time.
Reply With Quote
  #2  
Old 03-26-2007, 11:44 AM
jimandmandy jimandmandy is offline
Post Fiend
 
Join Date: Jun 2001
Location: Running Springs CA
Posts: 5,228
jimandmandy has a great reputation on FTE.jimandmandy has a great reputation on FTE.jimandmandy has a great reputation on FTE.jimandmandy has a great reputation on FTE.jimandmandy has a great reputation on FTE.
You will have to find out exactly what that code means. An O2 sensor failure will NOT cause the engine to quit altogether, just go into "open loop".

Jim
Reply With Quote
Old 03-26-2007, 11:44 AM
 
 
 
Reply

Similar Threads
Thread Thread Starter Forum Replies Last Post
cng problem ron dennis Alternative Fuels, Hybrids & Mileage 20 05-09-2014 11:47 AM
2003 F-150 Bi-Fuel - pops occasionally on fillup and when ignition turned on and doesn't run on CNG baskervi Alternative Fuels, Hybrids & Mileage 9 12-31-2012 08:43 PM
F150 Bifuel, intermittant CNG gsorter Alternative Fuels, Hybrids & Mileage 1 12-24-2012 04:06 PM
cng problem please do not move to alt fuel ron dennis 1997 - 2003 F150 1 04-24-2007 12:26 AM
P1152 trouble code 2003 F-250 (5.4L) Help! LukeRips Super Duty & Heavy Duty 5 12-02-2006 11:29 PM


Go Back   Ford Truck Enthusiasts Forums > Misc. > Alternative Fuels, Hybrids & Mileage

Tags
2003, cng, cngfuel, f150, f250, fliud, ford, fuel, location, module, problam, problems, regulator, starting, truck

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not 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 On
Trackbacks are On
Pingbacks are On
Refbacks are On

Forum Jump



All times are GMT -5. The time now is 09:52 PM.


Powered by vBulletin® Version 3.8.7 AC1
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Advertising - Terms of Use - Privacy Statement - Jobs
This forum is owned and operated by Internet Brands, Inc., a Delaware corporation. It is not authorized or endorsed by the Ford Motor Company and is not affiliated with the Ford Motor Company or its related companies in any way. FordŽ is a registered trademark of the Ford Motor Company.

vbulletin Admin Backup