Before changing a control module
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9-5
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2007
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2. Engine
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Trionic T7, 4-cyl
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Fault diagnosis, general
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Before changing a control module
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“Read Values” menu
“Activate” menu
Menu “System Information”
Testing for open/short circuits
Fault handling I, catalyst damaging misfiring
Fault handling II, emission-related misfiring or fault in fuel system