A3 Mk1
Testing lambda control
Testing lambda probe heating
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Note: The resistance of the heating element at room temperature is approx. 1...5 ω. With even a small temperature rise this value will increase sharply.
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If the heating element has continuity, test the power supply for the lambda probe heating as follows:
=> Current Flow Diagrams, Electrical Fault Finding and Fitting Locations
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=> Current Flow Diagrams, Electrical Fault Finding and Fitting Locations
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