Quote:
Originally posted by carolinatrophy
<< WHen you get the no start occuring.... carry an extra plug.... Pull one of the wires and attach it and lay it on the manifold. Fire it up. If you have no spark. You can rule out the fuel pump and vapor lock.>>
Yeah, good point. I'm almost positive it's fuel, because if I keep cranking and cranking, when it fires, it fires right up and idles cleanly immediately. If it were spark, I would think it would sort of flood while it was cranking, and then eventually fire and run crummy for a bit before it cleared itself out...
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The point of the exercise is to determine the following....
If you have spark and no start then yes.... possibly fuel.
If you have no spark and no fuel. Bad reference sensors, connections, dme relay, dme etc..
The last possibility of no spark with fuel usually leads me to check the rotor, coil (rare).