× 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
1997 Mercedes-Benz E420 4.2L Poor Idle Quality
Posted to European Driveability on 7/27/2012 7 Replies

Vehicle came in with a poor idle. Off idle, vehicle runs fine. Problem feels like a vacuum leak, but all scan data is normal. Fuel trims are at -1 to -3 percent. Smoked tested intake system and found no leaks. Found service bulletin about electronic throttle b...

7 Replies Received (View Replies)

  Related Documents & Media  1997 Mercedes-Benz E420

 
Message Closed w/Summary

car Vehicle Data

1997 Mercedes-Benz E420

VIN WDBJF72F1V
Engine4.2 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursAlways
Message Closed w/Summary

car Vehicle Data

1997 Mercedes-Benz E420

VIN WDBJF72F1V
Engine4.2 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursAlways