DTC 105-3 - Cummins-Code 153. See QSB 3.3L Troubleshooting and Repair
DTC 105-16 - Intake Air Temperature (IAT) Sensor OORH (PSI)
DTC 172-3 - Intake Air Temperature Voltage OORH
DTC 174-3 - Fuel Temperature Voltage OORH
DTC 522570-3 - Intake Air Temperature (IAT) Sensor OORH (Mazda Gas ECU)
POSSIBLE CAUSE
A. SENSOR SUPPLY OPEN CIRCUIT
B. SENSOR SIGNAL SHORTED TO BATTERY
C. SENSOR SIGNAL OPEN CIRCUIT
D. SENSOR FAILURE
E. FUNCTIONAL FAILURE IN CONTROLLER
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