× 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
1996 Mercedes-Benz E320 3.2L MIL Lamp on
Posted to European Driveability on 8/4/2004 7 Replies

This vehicle is a puzzler. The engine runs well. The only code obtained with an OBDII scan is P0170 with a freeze frame data for LTFT of -14.8%. After replacement of the MAF sensor and two long drives, fuel trim did not budge. Customer drove car for 1200 miles...

7 Replies Received (View Replies)

  Related Documents & Media  1996 Mercedes-Benz E320

 
Message Closed w/FIX

car Vehicle Data

1996 Mercedes-Benz E320

VIN WDBJF55F1T
Engine3.2 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

052Self Adaptation lower partial load too lean
P0131Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage
P0134Air Fuel Sensor (Bank 1 Sensor 1) Heater System Malfunction
P0170Fuel Trim Too Rich Or Too Lean
Message Closed w/FIX

car Vehicle Data

1996 Mercedes-Benz E320

VIN WDBJF55F1T
Engine3.2 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

052Self Adaptation lower partial load too lean
P0131Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage
P0134Air Fuel Sensor (Bank 1 Sensor 1) Heater System Malfunction
P0170Fuel Trim Too Rich Or Too Lean