Engine Controls - MIL ON/Multiple O2 Sensor DTC's Set

DTB

Date: October 16, 2008
Order No.: S-B-49.00/12a
Supersedes: S-B-49.00/12 dated August 18, 2008
Group: 27.49







SUBJECT: Model 164.172/186/871/886
Model 171.454/456
Model 203.040/052/054/056/092/087/740
Model 204.054/056/081
Model 209.356/372/456/472
Model 211.056/072/087/090/256/287
Model 215.376/379
Model 216.371/376/379
Model 219.372
Model 220.176/179
Model 221.171/176/179/186
Model 230.471/476/477/479
Model 251.156/165
Engine Running Characteristics / Check Engine Light Activated

If you receive customer reports in the above model vehicles about engine running characteristics, and the check engine light is activated by stored oxygen sensor faults, this may be due to the below causes. To resolve, perform a new diagnostic test for the oxygen sensor, available as of DAS DVD 09/07.

Causes

- Mixture formation not ideal

- Line connection of oxygen sensor incorrect

- Oxygen sensor heater defective

NOTE: Copy of the SDS short test and all tests performed must accompany returned parts. If the documentation is missing or does not support the diagnosis, the warranty claim may be debited.










NOTE: The following allowable labor operations should be used when submitting a warranty claim for this repair. This information has been generated on October 16, 2008. Please refer to Netstar -> Star TekInfo -> Star Time for the most current labor time allowance.


In Case of Warranty

Operation: Short test, perform (54-1011)
O2 sensor - left before catalyst, replace (after test) (07-5210)
O2 sensor - right before catalyst, replace (after test) (07-5212)
O2 sensor - left after catalyst, replace (after test) (07-5211)
O2 sensor - right after catalyst, replace (after test) (07-5213)