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Gm Tech (Cam)
Gm Tech (Cam), GMC Mechanic
Category: GMC
Satisfied Customers: 1672
Experience:  GM Grand Master Technician 2007. 14 year experience.
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GMC Envoy: Well Envoy quits when running down the road then

Customer Question

Well Envoy quits when running down the road then try to start and it won't turn over. Had it in the GMC shop and they say it is the Fuse block. Any ideas?
Submitted: 1 year ago.
Category: GMC
Expert:  Gary replied 1 year ago.
I am very sorry for the long waitso the engine will physically crank over and not fire up ?what size engine is in this ?will it somewhat run on starting fluid ?
Customer: replied 1 year ago.
Yes to cranking V8. Haven't try starting fluid
Expert:  Gary replied 1 year ago.
see if it will somewhat run on starting fluid being sprayed into the throttle body butter flyif it will NOT see if you have spark at the spark plugs when cranking it over
Customer: replied 1 year ago.
There is spark as they found a miss replaced bad spark plug. It will start after s while
Expert:  Gary replied 1 year ago.
so it will run ?
Customer: replied 1 year ago.
Yes after a while like 15 mint yes but only for about two or three miles then it quits again
Customer: replied 1 year ago.
They said they check the etc and ignition and that was not it
Expert:  Gary replied 1 year ago.
when it quits are there any codes being set ?when it quits is it missing spark or fuel ?
Customer: replied 1 year ago.
Yes
Customer: replied 1 year ago.
I guess but how would I know shoes gad
Expert:  Gary replied 1 year ago.
they have checked codes ?
Customer: replied 1 year ago.
Not getting anywhere so ending this thanks for trying