P0791 MAZDA Input Shaft Speed Sensor Signal Failure

Possible causes – Faulty Input Shaft Speed Sensor– Input Shaft Speed Sensor harness is open or shorted– Input Shaft Speed Sensor circuit poor electrical connection When is the obd code mean? P0791 code is detected when the input speed sensor voltage is more than 1.9V or less than 0.1V for 2 seconds or more Symptoms…

P0113 MAZDA Intake Air Temperature Circuit High Input

Possible causes – Faulty Intake Air Temperature (IAT) sensor– Dirty air filter– Intake Air Temperature (IAT) sensor harness is open or shorted– Intake Air Temperature (IAT) sensor circuit poor electrical connection When is the obd code mean? – An excessively high voltage from the sensor is sent to ECM. Symptoms – Engine Light ON (or…

P0110 MAZDA Intake Air Temperature Signal Out of Range

Possible causes – Faulty Intake Air Temperature (IAT) sensor– Dirty air filter– Intake Air Temperature (IAT) sensor harness is open or shorted– Intake Air Temperature (IAT) sensor circuit poor electrical connection When is the obd code mean? An excessively low or high voltage from the sensor is sent to ECM. Symptoms – Engine Light ON…

P0111 MAZDA Intake Air Temperature Circuit Performance Problem

Possible causes – Faulty Intake Air Temperature (IAT) sensor– Dirty air filter– Intake Air Temperature (IAT) sensor harness is open or shorted– Intake Air Temperature (IAT) sensor circuit poor electrical connection When is the obd code mean? An excessively low or high voltage from the sensor is sent to ECM. Symptoms – Engine Light ON…

P0112 MAZDA Intake Air Temperature Circuit Low Input

Possible causes – Faulty Intake Air Temperature (IAT) sensor– Dirty air filter– Intake Air Temperature (IAT) sensor harness is open or shorted– Intake Air Temperature (IAT) sensor circuit poor electrical connection When is the obd code mean? An excessively low voltage from the sensor is sent to ECM. Symptoms – Engine Light ON (or Service…

P0114 MAZDA Intake Air Temperature Sensor 1 Intermittent or Erratic

Possible causes – Faulty Intake Air Temperature (IAT) sensor– Dirty air filter– Intake Air Temperature (IAT) sensor harness is open or shorted– Intake Air Temperature (IAT) sensor circuit poor electrical connection When is the obd code mean? The Engine Control Module (ECM) detected an erratic signal from the Intake Air Temperature (IAT) sensor during the…

P1141 MAZDA HO2S12 Heater Circuit Low

Possible causes – Faulty HO2S12– HO2S12 harness is open or shorted– HO2S12 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1142 MAZDA HO2S12 Heater Circuit High

Possible causes – Faulty HO2S12– HO2S12 harness is open or shorted– HO2S12 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P1506 MAZDA Idle Air Control Overspeed Error

Possible causes – Faulty Idle Air Control (IAC) valve– Idle Air Control (IAC) valve harness is open or shorted– Idle Air Control (IAC) valve circuit poor electrical connection Tech description The P1506 code means that the engine idle is out of factory specification. Sometimes the Idle Air Control (IAC) may have carbon built up. Disconnect…

P0518 MAZDA Idle Air Control Circuit Intermittent

Possible causes – Faulty Idle Air Control Valve– Vacuum leak– Idle Air Control Valve harness is open or shorted– Idle Air Control Valve circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)