CS35 2013.04
3.1.13-197 3.1.13-197Electronic Control System - ME7
3. Inspect the engine mechanical problem
A. Inspect if exhaust is with black smoke and too much
blue smoke as the internal problems of the engine.
Does the exhaust gas emit with too much black
smoke and blue smoke?
Y
Repair engine mechanical.
N
Go to step 4.
4. Inspect the oxygen sensor aging (a new post - catalytic oxygen sensor and a aged pre - catalytic oxygen
sensor be together may lead to the set of symptom code)
A. Inspect the repair record to see if the oxygen sensor
has been replaced.
If the post - catalytic oxygen sensor has been
replaced while the pre - catalytic oxygen sensor has
not been replaced?
Y
Replace pre - catalytic oxygen sensor as needed.
N
Replace the catalytic converter.
Test Conditions Details/Results/Actions
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