
2005 Ford Expedition XLT 5.4L Poor Idle Quality, Misfire, MIL Lamp on
eng has a miss for sure #3, changed coils #3 with #1 still has [...] pressure in [...] injectors while there no change will check compression but at Idle cyls 1 thru 4 same bank show minus contribution at idle .cant find a vac leak and when rpms go up contribu...
FIX posted 2/16/2012
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)15 Replies Received(Hide Replies)15 Replies Received
|
Message Closed w/FIX
|
VIN | 1FMPU15505 |
Engine | 5.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Idle |
Trouble Codes
P0172 | Fuel System Too Rich (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |
P0300 | Multiple Misfire Detected |
P0303 | Cylinder 3 Misfire Detected |
P0316 | Misfire Detected On Startup (Within the 1st 1000 Revolutions) |
Message Closed w/FIX
Vehicle Data
2005 Ford Expedition XLT
VIN | 1FMPU15505 |
Engine | 5.4 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Idle |
Trouble Codes
P0172 | Fuel System Too Rich (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |
P0300 | Multiple Misfire Detected |
P0303 | Cylinder 3 Misfire Detected |
P0316 | Misfire Detected On Startup (Within the 1st 1000 Revolutions) |