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 Gm Tech (Cam) Your Own Question
Gm Tech (Cam)
Gm Tech (Cam), GMC Mechanic
Category: GMC
Satisfied Customers: 1660
Experience:  GM Grand Master Technician 2007. 14 year experience.
Type Your GMC Question Here...
Gm Tech (Cam) is online now
A new question is answered every 9 seconds

Was running then staryed running rough idle then raw fuel

Customer Question

Was running then staryed running rough idle then raw fuel our exaust
JA: Is the rough idle intermittent or consistent?
Customer: Consistent
JA: What is the model/year of your GMC?
Customer: 99 denali
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: Distribitor cap totor bun plugs and wires fuel filter fuel relay gas fuwl pump is running
JA: Anything else you think the mechanic should know?
Customer: Like its not fireing but haa spark and barely hits with starting fluid
Submitted: 1 month ago.
Category: GMC
Expert:  Jerry replied 1 month ago.

Hello and welcome. My name is ***** ***** you for visiting the site, I am reviewing your question and will reply shortly, thanks.

Expert:  Jerry replied 1 month ago.

Raw fuel out the exhaust?

5.7 vortec engine.

Very well could be the fuel pressure regulator. Do you know if the pressure holds with the key on engine off?

Customer: replied 1 month ago.
Know i dont
Expert:  Jerry replied 1 month ago.

That woud be the first thing to check, thanks

Related GMC Questions