?1;0c> Then the next time back to near normal.
> 
> On a trip last weekend, we had driven about 80 miles and the Oxygen sensor
> and alternator lights lit up but very dimly (it was dark), about 15 seconds
> later, they pulsated and became dimmer, then went out! I pulled over and
> found a mist of coolant on the rear bumper, and when I opened the inspection
> door behind the license plate, again, the coolant was full to the top and
> apparently had blown excess out the top which the engine had apparently

    Sad to say, you have a blown head gasket. The combusion gas is leaking
    into the cooling system, forcing the coolant out! 

    This last line you typed said it all!

                           Eric Zeno