× 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
1994 Mercedes-Benz S350 3.4L Tach/ Oil Pressure Gauge
Posted to European Electrical on 12/16/2004 4 Replies

this is a good one. at 2250 rpm, the tachometer goes to zero, and stays until rpms drop below 2250 again. at around 2500 rpm, the oil pressure gauge falls to zero until rpm drops again. checked for wiring problem, and no wiggle test shows any problem. the wiri...

4 Replies Received (View Replies)

  Related Documents & Media  1994 Mercedes-Benz S350

 
Message Closed w/Summary

car Vehicle Data

1994 Mercedes-Benz S350

VIN WDBGB34E9R
Engine3.4 L / 6 cyl / DIESEL
Trans4-speed Automatic
DeliveryFI
AffectedTach/ Oil Pressure Gauge
ConditionsIntermittant
Message Closed w/Summary

car Vehicle Data

1994 Mercedes-Benz S350

VIN WDBGB34E9R
Engine3.4 L / 6 cyl / DIESEL
Trans4-speed Automatic
DeliveryFI
AffectedTach/ Oil Pressure Gauge
ConditionsIntermittant