2004 GMC Envoy "truck engine won 39" Questions

2004 envoy won't start, not the battery, new alternator, replaced CAN sensor. Engine cranks, just won't turn over, radio and lights work. fuel pump bad

...engine. my front diff doesnt seem to be working When in 2wd my front driveshaft spins freely. When I switch from 2wd to 4wd the front driveshaft won't spin freely so I know the transfer case is ...

...valve opens,if the engine light is on because of that ,don't worry.Real sensitive sensor,if the valve gets "sooty" it won'tmove correctly,try some intake cleaner. Only an emmision

...engine light on? If it is, have the codes read to find out what the problem is. Another possibility is a bad water pump impeller, a worn impeller won't move enough coolant to keep the temperature ...

won't hold a charge has all the store markings and looks brand new you can still see all info in the battery i am very upset with canadian tire and am now wondering about the company that supplies

engine bogs down ansd acualy decelerates. if you push down a little harder on the peddal it slowley drops RPM's and then it downshifts and takes off. Its is not puuling any codes. Any idea were to

...won't connect and snap in. I end up sending freon out of the Engine. Any suggestions? ok, there is a high side, high pressure line, and low side, low pressure line, for your AC. That refill can ...

...engine. Symptoms: You likely won't notice any drivability problems. Causes: most likely means one or more of the following has happened: A loose or improperly affixed gas cap A non-conforming gas ...

...won't go into reverse or anything. It starts, no light s on. The check engine light has been on forever but, had it checked and nothing was detected. Help! If the check engine light is on its on ...