Originally Posted by
ZERACER
My Grandson stopped for gas and his 2004 Limited would not start. He said after several tries it had a loud bang and there was smoke. He tried hooking up his code reader and it would not communicate. Any thoughts? I assume the bang and smoke was a backfire. The OBD2 issue I have no idea. He lives a distance from me so it is difficult to trouble shoot.
Way too little information to troubleshoot remotely
If the ODBII does not communicate let's start with the battery and RCM. I hope the computer did not die.