× 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
2005 Mercury Grand Marquis GS 4.6L Misfire
Posted to Ford Driveability on 2/12/2013 15 Replies

Looking for some suggestions to help pin down the cause of this #5 misfire. Car has a light misfire noticeable at idle. Having read the posts regarding fuel pressure, I started there. Fuel pressure was listed at 28-40 KOER so being on the low side of the range...

15 Replies Received (View Replies)

  Related Documents & Media  2005 Mercury Grand Marquis GS

 
Message Closed w/FIX

car Vehicle Data

2005 Mercury Grand Marquis GS

VIN 2MEFM74W45
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIdle

Trouble Codes

P0305Cylinder 5 Misfire Detected
Message Closed w/FIX

car Vehicle Data

2005 Mercury Grand Marquis GS

VIN 2MEFM74W45
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIdle

Trouble Codes

P0305Cylinder 5 Misfire Detected