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2008 Ford Expedition XLT 5.4L Poor Idle Quality, Misfire
Posted to Ford Driveability on 9/6/2015 20 Replies

Customer had coils and plugs replaced three months ago ran great until 2 days ago .will start to misfire and run rough turns it off and restarts it will be fine for a while. coils have good power to them it has a code po356 in it but can't get it to run rough ...

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  Related Documents & Media  2008 Ford Expedition XLT

 
Message Closed w/FIX

car Vehicle Data

2008 Ford Expedition XLT

VIN 1FMFU16518
Engine5.4 L / 8 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire

Trouble Codes

P0356Ignition Control Module Circuit 6 Malfunction
Message Closed w/FIX

car Vehicle Data

2008 Ford Expedition XLT

VIN 1FMFU16518
Engine5.4 L / 8 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire

Trouble Codes

P0356Ignition Control Module Circuit 6 Malfunction