99 PSD Trouble - Ford Powerstroke Diesel Forum
Powerstroke.org is the premier Diesel Truck Forum on the internet. Registered Users do not see the above ads.
LinkBack Thread Tools Display Modes
Old 12-27-2006, 05:09 PM
Powerstroke.org Rookie

Join Date: Dec 2006
Posts: 1
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 0 reviews
99 PSD Trouble

OK, So I have been doing all the reading and have done everything I could trying to avoid this.

I have a 1999 7.3 PSD, The truck idles rough, Stalls at Idle and low speed/RPM's, Surges, Hesitates on take off.

This is what I have done so far:

Swapped IDM's, Swapped IDM Relay, New CPS, Removed Bully Dog 4-Bank, and Checked the Injector wiring on the outside of the valve covers, and I still have the same problem.

This was done at operating temp, in park and holding around 2000 RPM's

Engine Speed 2011 RPM
AP Sensor (V) 0.92V
BARO (P) 14.2V
EXH Back (P) 53.3 psiA
EXH Back PR Reg 0%
FUEL Inj PW 1.62ms
Glow Plug DC 0%
GP Control 0.0s
GP Lamp 0.0s
MAP (P) 15.1psi
Manifold (P) 0.9 psiG
Net Engine Torqu 28 lb-ft
VREF Voltage 5.00mV
EOT 136F
EOT (V) 1.46V
Exhaust BP (V) 4.78V
BARO (V) 4.44V
EXHAUST BP 366.4 psiG
VPWR Voltage 14.0V
MAP (F) 0.0Hz

A Mastertech Scanner was used. The Exhaust is 4" and Open and possibly has a 5" Resonator. The 2 DTC's are:

P0470 Ex Back Press Sensor CKT MALF
P0478 Ex Back Press Control Hi Input

Any Help would be greatly appriciated. Thanks


Also just checked the tube coming from the exhaust manifold to the sensor on the front of the engine behind the idler pulley.
Reply With Quote Quick reply to this message
Sponsored Links
Old 12-29-2006, 04:26 PM
Powerstroke.org Rookie

Join Date: Dec 2006
Posts: 17
Thanks: 0
Thanked 0 Times in 0 Posts
Feedback Score: 0 reviews
i just replaced my ebp sensor and the tube from the sensor to the exhaust manifold and the hesistation in my truck went away. the sensors are on ebay for about 32 dollars.
Reply With Quote Quick reply to this message
Sponsored Links

Quick Reply

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:
If you do not want to register, fill this field only and the name will be used as user name for your post.
Please enter a password for your user account. Note that passwords are case-sensitive.
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:


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
Display Modes

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

All times are GMT -8. The time now is 05:36 PM.

Powered by vBulletin® Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Search Engine Optimization by vBSEO 3.6.1
Garage Plus, Vendor Tools vBulletin Plugins by Drive Thru Online, Inc.