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03 Grand Marquis. cranks, has spark & fuel, no start!

5K views 4 replies 4 participants last post by  Bajarider 
#1 ·
2003 mercury Grand Marquis LS 4.6l SOHC with coil on plug. Car began to stall while driving, would not start untill later that evening or the next day. I figured the fuel pump was going because one day it really quit and wouldn't start so I changed the tank, pump and straps...600$ later and the problem persist, sometimes it runs for a couple hours other times not even 5 minutes,when i finished changing the tank the code reader gave me codes p0351 through p0356, i thought that to be very odd seeing as this has coil over plugs and not coil packs, I cleared them and ran the car for as long as i could and now its still stalling intermittently,throwing no codes and has spark and fuel what could this be! :beerbottl
 
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