My 2004, GMC Envoy would not start!

Got a new vehicle Joe. Just what you need with the gas prices as high as they are!! Did you get rid of the 1998 Ford Contour?
Foot on the brake and go though the full shift range and then back to park. That should release the ignition lock. It appears to be a known issue. Check out the videos

https://www.google.com/search?q=get+the+key+out+of+the+ignition+switch+on+a+2004+GMC+Envoy+4.2


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Please get a Coolant pressure test done which will expose the real leak.

I’m happy to assist further over the phone at https://www.6ya.com/expert/uttamjeet_2f3adc18600f8ede

If you live in a very cold region of the world like I do and own a GMC Envoy you will know these vehicles are awful in cold temperatures (-30C and colder). Every winter the vehicle refuses to start, the reduced engine power light turns on and a GMC mechanic gives me a bs excuse for why its not starting. The simple answer is that this vehicle is awful in the cold. When this happens and hopefully it happens at home, I have to get my forced air kerosene heater out,put it under the engine bay of the Envoy, open the hood and tent it with a tarp and let the engine "thaw-out" for about 2 hours, you can also put the vehicle in a heated garage but that takes about 8 hours to thaw that way. There is NO OTHER way to fix this problem. I emailed GM about the problem and their only response was to ask for the VIN number and the name of the 'GM certified' mechanic I was taking the vehicle to. All a load of bs from GM....they know this is a problem and won't do anything to help fix it. My next vehicle will not be a GM while I live in the North
Darin

The pressure on the parking pawl in the transmission from the truck being parked on an incline is preventing the pawl from releasing. See if you can get another vehicle to push it a small amount so you can release it from Park position.

More than likely the shift cable has broken at the end, there is a plastic ring that breaks.

The oil recommended by the manufacturer is 5W-30. You will need 7.0 U.S. quarts or 6.6 Liters

possibly check your steering components. a broken component would cause such sudden loss of control resulting in a spin out

Check out this site for the part to fix the transmission end of the cable. Go to the rear end of the transmission on the driver' side (under the car/truck). Make sure to push the transmisssion lever toward the front of the car/truck (park position), the shifter should also be in park. Get the part, install is easy.

http://www.atfbilletparts.com/shifter-cable-repair-kits-by-veh-gmc-vehicles-c-208_219/92-09-gmc-envoy-shifter-cable-repair-pin-p-569

sounds like you have a broken shifter cable.Go under the rig and shift the transmision manually.Put on the parking brake and on the drivers side of the trany should be the lever to move.Look for the broken part while you are there it will also help to locate the shift lever on the trany.

The brake rlease switch for the gearshift might need adjusted-replaced or the shifter itself might need adjusted