× 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 BMW 740i 4.0L Poor Idle Quality, Cuts out
Posted to European Driveability on 3/25/2019 6 Replies

We are trying to scan the o2 data and we get about .56 V on Both sensors. They do not change much - even when we give it a vacuum leak we get just a small change--maybe .02V downward. When idling, that O2 voltage barely changes at all I have read in an Ide...

6 Replies Received (View Replies)

  Related Documents & Media  1993 BMW 740i

 
Message Closed

car Vehicle Data

1993 BMW 740i

VIN WBAGD4326P
Engine4.0 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
SymptomsPoor Idle Quality, Cuts Out
OccursIntermittently

Trouble Codes

12O2 sensor 2
13O2 sensor 1
201O2 sensor control 1
203O2 sensor control 2
Message Closed

car Vehicle Data

1993 BMW 740i

VIN WBAGD4326P
Engine4.0 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
SymptomsPoor Idle Quality, Cuts Out
OccursIntermittently

Trouble Codes

12O2 sensor 2
13O2 sensor 1
201O2 sensor control 1
203O2 sensor control 2