Very intermittent no start issue. Batteries? Injectors? - Page 2 - Chevy and GMC Duramax Diesel Forum
01-04.5 LB7 Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission, Etc.

LinkBack Thread Tools Display Modes
post #11 of 12 (permalink) Old 03-13-2019, 09:49 AM
Senior Member
Join Date: May 2018
Posts: 649
A vacuum air leak is hard or impossible to find. A fuel leak under pressure leaves a tell tale sign of where to start looking.
MIkey52 is offline  
Sponsored Links
post #12 of 12 (permalink) Old 04-06-2019, 07:15 PM Thread Starter
Join Date: Dec 2018
Posts: 6
*** Update ***

It was indeed injectors. Flow rates were high and two injectors had poor balance rates. Thousands of dollars later and a Fass lift pump, she's running top notched.
mray likes this.

2003 Chevy Silverado 2500HD LB7 4X4 160,000 Stock
2003 Chevy Silverado 3500 Crew Cab LB7 4X4 120,000 Stock
griminal is offline  
Sponsored Links

Quick Reply

Register Now

In order to be able to post messages on the Chevy and GMC Duramax 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:
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:


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