Cylinder 4 misfire

20

Asked by bstrunk24 Aug 03, 2018 at 03:55 PM about the 2011 Ford F-150 XLT SuperCab 4WD

Question type: Maintenance & Repair

Just bought a 2011 F150 5.0 v8 and it has a check
engine light on for misifiring engine in cylinder 4.
The code said bad ignition coil so I replaced all
ignition coils and spark plugs and was still getting
the misfire so I switched the plug and coil with
different ones from a cylinder that wasn’t misfiring
and it didn’t change anything. Anyone have any
idea what to try next or anyone have any similar
issues and found out the problem?

6 Answers

73,250

Could be the code will remain until erased via a code reader or until the engine goes through any number of driving cycles. Could also be a bad electrical connection at the coil.

2 people found this helpful.
20

It’s still misfiring it’s not because I didn’t clear the codes I will test the electrical connections

2 people found this helpful.
10

@bstrunk24 my truck has the same problem did you find out what it was??

1 people found this helpful.
50

My truck has same issue it has 257,000 on it I replaced spark plug, then swapped coils didn’t make any change. I replaced injector with OEM and still the same. It’s a 2013 f150. I even pulled and sent ECM out to have it checked and repaired by module experts out of Jacksonville and still have #4 misfire code. WTH???Help!

5 people found this helpful.
10

Did anybody figure out this problem i have a 2011 f150 5.0 with misfire on cylinder 4

1 people found this helpful.

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