Misfire 5.4 3 valve 2007.
10-12-2017, 08:54 PM
#1
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Misfire 5.4 3 valve 2007.
Hoping for some help with this. Have a 2007 F150 5.4 3 valve. The battery light come on and off, when it goes out I get a real bad misfire. When last checked it was misfiring on cylinders 2,3,4. The alternator seems to be putting out fine and the battery is new and checks at 13.8 volts. Crazy stuff.
10-13-2017, 06:25 AM
#2
Mark
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It’s your alt. Bad voltage regulator.. get a motorcraft re-man.
10-13-2017, 08:35 AM
#4
Mark
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your welcome..