Mine was leaking from the Oil Sensor/Oil Switch. It can be found right above the oil filter on the IL6. I used a 1-1/16 deep socket to remove it.
where is the oil filter located on an 2002 GMC Envoy
7 quarts
7 quarts
5w-30
The oil type for a 2004 GMC Envoy is 5W-30 weight oil. The oil capacity is seven quarts for an L6 engine and six quarts for a V8 engine.
Synthetic 10w30
On a 2002 Envoy you turn the key to run but don't start it. Then push and release the gas pedal 3 times within 5 seconds. The change engine oil light should blink for 5 seconds meaning you have reset the system. If it doesn't blink for you do the procedure again.
Remove head Remove oil pan Remove wrist pins and push piston up out of the head
Bottom of the engine on the oil pan.
7.0 Quarts
Then stop the engine and have it inspected by a professional.
maybe you have low oil pressure?