× 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
2003 Ford Expedition XLT 4.6L Poor Idle Quality
Posted to Ford Driveability on 11/16/2010 5 Replies

The engine runs good cold as it warms up and gets to closed loop operation the engine starts runing rough at idle runs good [...] trims were in the minus 4 short term long term -21 pinched off the purge valve at idle it made a differance in the idle and change...

5 Replies Received (View Replies)

  Related Documents & Media  2003 Ford Expedition XLT

 
Message Closed w/FIX

car Vehicle Data

2003 Ford Expedition XLT

VIN 1FMRU15W13
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / PFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursHot

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P2196Heated Oxygen Sensor (Bank 1 Sensor 1) Biased Rich
Message Closed w/FIX

car Vehicle Data

2003 Ford Expedition XLT

VIN 1FMRU15W13
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / PFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursHot

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P2196Heated Oxygen Sensor (Bank 1 Sensor 1) Biased Rich