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Mazda Truck
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1991
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Navajo 2WD V6-4.0L OHV
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Ignition Timing
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Adjustments
Ignition Timing: Adjustments
IGNITION TIMING
Initial timing is preset at 10° BTDC and is not adjustable. If service code 18 is received during EEC Quick Test, computed timing can be checked with Pinpoint Test P.