Mercedes Benz Truck G 550 Diagnostic Trouble Codes 0194

Mercedes-Benz Mercedes Benz OEM Parts Mercedes Benz OE Replacement Parts

0194
M16/6 (Throttle valve actuator) : Mechanical fault (P0638)
Possible cause:
- M16/6 (Throttle valve actuator)
Affected functions:
- Engine running
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Test 1: Check component M16/6 (Throttle valve actuator).
1. Check component M16/6 (Throttle valve actuator).
Test 1.1: Perform mechanical inspection of component M16/6 (Throttle valve actuator).
1.1. Perform mechanical inspection of component M16/6 (Throttle valve actuator).
Test sequence
- Switch off ignition.
- Expose component M16/6 (Throttle valve actuator).
- Slowly operate throttle flap by hand up to full load.
Specified value
- The throttle valve must not stick and must close by internal spring force.
Question
- Is the test o.k?
YES
The test is o.k..End of test
NO
The test is not o.k..Possible cause and remedy
- Check intake tract for residue and clean if necessary.If no residue is present, replace component M16/6 (Throttle valve actuator).