Diesel Data
: Automotive Repair
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1990
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Supra L6-3.0L DOHC (7M-GE)
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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Manufacturer Code Charts
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Engine Control System
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DTC 21
DTC 21
Oxygen Sensor Circuit Test:
Oxygen Sensor Circuit Test:
