× 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
1993 Mercury Villager GS 3.0L MIL Lamp on
Posted to Ford Driveability on 8/12/1999

Still setting code 33. HEGO voltage normal under cruise but if I pull a slight hill, 02 will indicate a lean (or grounded) condition, 30 to 70 mv and MIL will come on and most of the time will stay on until code is cleared. Couple of times, came on and wen...

  Related Documents & Media  1993 Mercury Villager GS

 
Message Closed w/FIX

car Vehicle Data

1993 Mercury Villager GS

VIN 4M2DV11W2P
Engine3.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsUS Federal
SymptomsMIL Lamp On
OccursUnder Load
Misc.Federal

Trouble Codes

33Voltage low on 02 Circuit shorted or open
Message Closed w/FIX

car Vehicle Data

1993 Mercury Villager GS

VIN 4M2DV11W2P
Engine3.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsUS Federal
SymptomsMIL Lamp On
OccursUnder Load
Misc.Federal

Trouble Codes

33Voltage low on 02 Circuit shorted or open