× 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
1990 Mercedes-Benz 300CE 3.0L Poor Fuel Economy
Posted to European Driveability on 3/11/2009 8 Replies

When you first start up cold, it runs great. once it is warmed up it runs rich. Black smoke from exhaust at idol and on excel. only code is 17 o2 sensor which is normal because of the running rich. I have tried to get info from Mitchell on demand 5 which I am ...

8 Replies Received (View Replies)

  Related Documents & Media  1990 Mercedes-Benz 300CE

 
Message Closed w/Summary

car Vehicle Data

1990 Mercedes-Benz 300CE

VIN WDBEA51D1L
Engine3.0 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
EmissionsUS FED EMISSIONS
SymptomsPoor Fuel Economy
OccursAlways, Hot, Under Load, on Accel, Idle

Trouble Codes

17o2 sensor
Message Closed w/Summary

car Vehicle Data

1990 Mercedes-Benz 300CE

VIN WDBEA51D1L
Engine3.0 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
EmissionsUS FED EMISSIONS
SymptomsPoor Fuel Economy
OccursAlways, Hot, Under Load, on Accel, Idle

Trouble Codes

17o2 sensor