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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), GMC Mechanic
Category: GM
Satisfied Customers: 5787
Experience:  GM Grand Master Technician 2007. 14 years experience.
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2005 Envoy engine stops while driving. will eventually start

Customer Question

2005 Envoy engine stops while driving. will eventually start and run. This happens frequently... Larry MAC
JA: Will the headlights turn on? Is the battery fully charged?
Customer: Yes
JA: Are you fixing your Envoy yourself? What have you tried so far?
Customer: Yes...
JA: Anything else you want the mechanic to know before I connect you?
Customer: No
Submitted: 11 months ago.
Category: GM
Expert:  Ron replied 11 months ago.

Hello, my name is ***** ***** I am a professional here at Justanswer. Thank you for your question and I will assist you with your concern.

In order for the engine to start and stay running you need good spark at the spark plugs, injector pulse at the injectors and proper fuel pressure. The place to start is going to require checking each one of these thing when it dos not want to start. It would also be very useful if you could scan the computer system and see if there are nay fault codes setting. If you check check these things and post back with the results I will help you determine the cause.

Customer: replied 11 months ago.
How do I scan the system without going to the GMC dealer?
Expert:  Ron replied 11 months ago.

Most auto part store such as Auto Zone will run a scan for you at no charge.

Customer: replied 11 months ago.
If it will start I will visit Auto Zone for a code scan. Until then I'll check the other things you suggested. How do I get the info back to you "Ron". How will this reflect my $26 bucks so far?
Expert:  Ron replied 11 months ago.

All you need to do is post back on this post when your ready and we can work from there.

Customer: replied 11 months ago.
Great... Be back soon...
Larry MAC
Expert:  Ron replied 11 months ago.

Your very welcome and thank you as well.