LEMON Manuals
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1993
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318i Standard
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Repair and Diagnosis
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Engine Performance
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Engine Controls - Tests W/O Codes
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Symptoms
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Detonation (Engine Knock)
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Detonation (Engine Knock)
Ignition timing too far advanced.
Blown head gasket.
Stuck thermostat (engine overheating).
Lean fuel mixture.
DME/Motronic control unit malfunction.
No coolant in radiator/engine (engine overheating).
Wrong octane fuel.