Is the solenoid actually opening? you have to make sure there is propane going in. then check solenoid. you can even put your hand on the solenoid and turn the key over. you should feel it clicking. There is also a relay in that circuit which recieves it's signal from the distributor it is called a signal generator. Sorry back to the solenoid I have had them fail but only at places where the engine gets very hot. You could even try to remove the solenoid and clean it up. Make sure there is no propane in the system before you take it apart. Did you also check for spark I doubt that would be a problem but you neverknow Let me know how it goes Rich ([email address removed])