Detects engine knock and changes timing accordingly (sensor only)
For vehicles with AWD or AWW engine code with VIN from 9M-1-075 841 only, split is in the 2001 model year
Detects knock and adjusts timing accordingly
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Detects engine knock and changes timing accordingly
For vehicles with AWD or AWW engine code with VIN up to 9M-1-075 840 only, split is in the 2001 model year