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Engine will not start when hot HELP!!

2K views 4 replies 2 participants last post by  88windsor 
#1 ·
I have a 89 mustang 5.0L it will start and run fine but when it reaches operating and i shut it off the engine will turn over but will not start. please help,Thanks
 
#3 ·
the car ran before i changed the heads so all that's different from then is when i changed the heads i broke the MAP sensor could that cause it? It still runs and runs great as long as i don't cut it off but once i cut it off it will not start. And yes it is getting spark and fuel.
 
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