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2003 Ford E-250 4.2L Hesitation, MIL Lamp on
Posted to Ford Driveability on 11/14/2006 14 Replies

These two codes always set while the vehicle is idling warming up normally before truck reaches 120 degrees F. After truck warms up fuel trims go to normal. No vacumm leaks can be found with the intake pressurized with smoke even when cold. Have also tried pro...

14 Replies Received (View Replies)

  Related Documents & Media  2003 Ford E-250

 
Message Closed w/FIX

car Vehicle Data

2003 Ford E-250

VIN 1FTNE24213
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsHesitation, MIL Lamp On
OccursCold, on Accel

Trouble Codes

1131lack of o2 swithch bank 1 lean
1151lack of o2 switch bank 2 lean
Message Closed w/FIX

car Vehicle Data

2003 Ford E-250

VIN 1FTNE24213
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsHesitation, MIL Lamp On
OccursCold, on Accel

Trouble Codes

1131lack of o2 swithch bank 1 lean
1151lack of o2 switch bank 2 lean