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
Dont know it, i have a bluetooth obd that should read it but the past few times i tried using it. The car wont start or stay running long enough, pumps brand new and filters a couple months old
The codes mentioned also apply to COP cars, and to the primary and secondary ignition circuits. Start with the simple things; check all for loose or corroded electrical connections, and check grounds.
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