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Toyota Truck
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2002
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Tacoma PreRunner Extra Cab 2WD V6-3.4L (5VZ-FE)
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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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DTC 78
DTC 78
78 - Abnormal Change in Output Voltage of Left Rear Speed Sensor
"TOYOTA does not provide a diagnostic procedure for this trouble code".