it does not want to turn on now. it started to back fire then it didnt want to turn on. well i checked everything and can't find anything wrong with it. i checked the spark plugs and noticed that it had oil on them so i thought it was the head gasket so i put a new head gasket on and still nothing. it has fire and fuel also it throws out the code 6. if anyone can give the codes to it that would be cool. i have a 90 dx hatch. if anyone could help please let me know cause my car has been parked for a monyh already. thanks

 

Code 6 is coolant temp switch I believe.