How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Chris (aka-Moose) Your Own Question
Chris (aka-Moose)
Chris (aka-Moose), GMC Technician
Category: GMC
Satisfied Customers: 45663
Experience:  16 years of experience
2499435
Type Your GMC Question Here...
Chris (aka-Moose) is online now
A new question is answered every 9 seconds

2003 duramax random stalling, no cel no codes, 4500 duramax,

Customer Question

2003 duramax random stalling
JA: Is the check engine light on? Does the car stall at idle or when driving?
Customer: no cel no codes
JA: What is the model of your '03 GM?
Customer: 4500 duramax
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: yes. nothing. I think it may be a relief valve
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 1 month ago.
Category: GMC
Expert:  Chris (aka-Moose) replied 1 month ago.

Welcome, I'm Chris (aka Moose), my normal schedule online is around lunch and after dinner till early morning.

  • I am sorry no one has helped yet in return for the question fees you have already paid.
  • I believe I can help with this question.
  • Reply and let me know when your able to work on this concern.
Customer: replied 1 month ago.
Ok
Expert:  Chris (aka-Moose) replied 1 month ago.

Does this occur when applying throttle or when not applying throttle?

Does it run bad prior to stalling?

Once stalled does it restart easily?

Customer: replied 1 month ago.
Can stall hot or cold,driving or idle
Runs fine, just shuts off
Takes 10-15 minutes to restart
Expert:  Chris (aka-Moose) replied 1 month ago.

When it will not restart that is when diagnostics need to be ran. Those first few steps include monitoring the fuel pressure and injector pump actual and desired pressure. Also make sure all modules can communicate with the scan tool during this downtime. Can you try that?

Please read this:

  1. Understand it's not one answer and done. We can communicate back and forth many times.
  2. I do not work at or for Just Answer. You and I can only communicate on this page.
  3. When you're pleased or happy with my answer or efforts to help you. At the top of the screen please rate me or reply and say ( I'm pleased.)
  4. When I help you I am only paid from your question value deposit when you rate me on this screen. Rating does not close the post and you're more than welcome to follow up.

Thanks for using Just Answer, Chris

Expert:  Chris (aka-Moose) replied 1 month ago.

Hello again Chris here,

  1. I have to assume you were not pleased with my help, because you have not replied or rated the post.
  2. What would you like to do regarding your question now?
  3. Do you still need help? Please reply I want you to get equal to or more than what you paid for.
  4. This post is coming up on the 7 day mark where it times out. That can prevent me from being able to post answers to your replies.

Thanks Chris