Question about 2003 GMC Envoy
When a vehicle is in neutral there is no load the moment you put it in gear then there is a load,If you hesitate in gear and try to accelerate and it hesitate you have a misfire,sparkplugs,sparkplug wires,If you dont have coil wire the the COP (coil on plug) either way you have a misfire
Posted on Nov 08, 2012
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Posted on Jan 02, 2017
Low fluid can cause slipping. (depends upon how low) Most manufacturers post "safe" tow speeds. These are generally ignored. (not good). I recommend towing with driveshafts removed and where driveshaft has a "slip yoke" you install a yoke from a scrapyard and wire it to the tailshaft so it stays in place (keeps oil in and dirt out) Although you can't just detach the tow-bar and drive, it eliminates any possibility of trans damage, since the transmission cannot turn. (most use oil from pump to keep gearsets cool...when towing, pump is not pumping and over time and distance it can damage trans internals.)
Hope your problem is just low fluid and not a rebuild...keep in mind what I said though.
Posted on Jun 09, 2009
I have a 2001 gmc sierra 2500 HD and when it is cool outside it runs fine, but on hot weather the truck stalls and sometime wont start and this is when the gas is on 1/4, and when we keep the gas tank at a 1/2 it runs fine other than that when you stop at a red light or stop sign and you start to leave it takes offf slowly and its about to shut off and you pump the gas slowly it will slowly start to take off and then when it does runs fine until you stop again. what is my problem with this truck?
Posted on Jun 23, 2010
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