× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2004 Ford F-150 Lariat 5.4L Misfire
Posted to Ford Driveability on 1/13/2015 36 Replies

Already posted this truck previously, no fix yet. Truck has a misfire on cylinder #5 that feels electrical. Here is list of things we have tried and to no avail, no fix. Back pressure test on both banks, less than 1/2 psi at 2000 rpm. New updated spark plugs p...

36 Replies Received (View Replies)

  Related Documents & Media  2004 Ford F-150 Lariat

 
Message Closed

car Vehicle Data

2004 Ford F-150 Lariat

VIN 1FTPW12584
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0305Cylinder 5 Misfire Detected
Message Closed

car Vehicle Data

2004 Ford F-150 Lariat

VIN 1FTPW12584
Engine5.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0305Cylinder 5 Misfire Detected