Brad's Car Manuals
: A 3rd party mirror of CHARM + LEMON car manuals
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BMW
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1992
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850i Automatic
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Self Diagnostics
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Component Tests
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Sensor Heating Relay
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Possible Causes
Possible Causes
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Wire to DME control unit pin No. 23 defective.
Relay or voltage supply not okay.
Fuse F28 defective.