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Home >> Mercedes Benz >> 2008 >> E 320 BLUETEC (211.022) V6-3.0L DSL Turbo (642.920) >> Repair and Diagnosis >> A L L Diagnostic Trouble Codes ( DTC ) >> Testing and Inspection >> Manufacturer Code Charts >> 2930 >> [2] Deviation in left exhaust gas temperature: Value is below negative deviation.

[2] Deviation in left exhaust gas temperature: Value is below negative deviation.


[2] Deviation in left exhaust gas temperature: Value is below negative deviation.

Test 1: Check component B19/9 (Temperature sensor upstream of diesel particulate filter).

Test 2: Check component B19/11 (Temperature sensor upstream of turbocharger).

Test 3: Check component B19 (TWC temperature sensor).

1. Check component B19/9 (Temperature sensor upstream of diesel particulate filter).
Plausibility check of component 'B19/9 (Temperature sensor upstream of diesel particulate filter)'
Test sequence :In the following test, the engine speed is raised to check the temperature sensor.Specified value

- The temperature difference between components B19/11 (Temperature sensor upstream of turbocharger), B19 (TWC temperature sensor) and B19/9 (Temperature sensor upstream of diesel particulate filter) must not be greater than 60° C.
Start engine.Continue with button F2

Warning!Communication with ECU required.


2. Check component B19/11 (Temperature sensor upstream of turbocharger).
Plausibility check of component 'B19/11 (Temperature sensor upstream of turbocharger)'
Test sequence :In the following test, the engine speed is raised to check the temperature sensor.Specified value

- The temperature difference between components B19/11 (Temperature sensor upstream of turbocharger), B19 (TWC temperature sensor) and B19/9 (Temperature sensor upstream of diesel particulate filter) must not be greater than 60° C.
Start engine.Continue with button F2

Warning!Communication with ECU required.


3. Check component B19 (TWC temperature sensor).
Plausibility check of component 'B19 (TWC temperature sensor)'
Test sequence :In the following test, the engine speed is raised to check the temperature sensor.Specified value

- The temperature difference between components B19/11 (Temperature sensor upstream of turbocharger), B19 (TWC temperature sensor) and B19/9 (Temperature sensor upstream of diesel particulate filter) must not be greater than 60° C.
Start engine.Continue with button F2

Warning!Communication with ECU required.


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