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 Neal Your Own Question
Neal
Neal, Chevy Mechanic
Category: Chevy
Satisfied Customers: 8349
Experience:  Shop Owner and Mechanic on multiple makes.
17294534
Type Your Chevy Question Here...
Neal is online now
A new question is answered every 9 seconds

I need firing order for 2009 5.3 vortec . I want to change sparkplug on # XXXXX cylynder.

Resolved Question:

I need firing order for 2009 5.3 vortec . I want to change sparkplug on # XXXXX cylynder. I pulled code po307 cylinder misfire
Submitted: 5 years ago.
Category: Chevy
Expert:  Neal replied 5 years ago.
Welcome to JustAnswer, I'm here to help get your problem resolved. Please feel free to ask follow up questions, it is part of the process.

The firing order is

1-8-7-2-6-5-4-3

#7 is rear plug on drivers side.

If that does not work I will continue to assist even after you accept as needed.
Neal and 2 other Chevy Specialists are ready to help you

Related Chevy Questions