P9A78 Mazda 2000 OBD Code

OBD/2 P9A78 error code description and symptoms.

Throttle Position (TP) Sensor Intermittent The TP sensor circuit is monitored by the PCM for sudden TP rotation angle (or voltage) input change through the comprehensive component monitor (CCM). If during the last 80 warm-up cycles in key ON engine running the PCM detects a TP rotation angle (or voltage) changes beyond the minimum or maximum calibrated limit, a continuous diagnostic trouble code (DTC) is stored. Poor continuity through the TP sensor connectors Poor continuity through the TP harness Intermittent open or short inside the TP sensor While accessing the TP V PID on the scan tool, lightly tap on the TP sensor or wiggle the TP sensor connector and harness.

Some systems require that the actuator has an adequate supply of brake fluid. Low brake fluid levels can mimic the symptoms of code P9A78, so consult the manual to locate the brake fluid reservoir. Bear in mind that a low fluid level can set code P9A78 on some applications, so make sure that on fluid operated systems the fluid level is up to the mark before starting an electrical diagnosis.

P9A78 Mazda 2000 Error Code Repair Process :

If your check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system P9A78 and engine control unit are in charge of monitoring a bunch of different , and if they get a reading that's a little out of whack, up pops the check engine light.

Common Causes of Mazda 2000 P9A78 OBD2 Code

A common cause of code P9A78 is the failure of , but there are several other possible causes as well, such as ;

Damaged VCT phaser
Faulty TCM or TCM programming
Faulty select solenoid
Engine Control Module (ECM)

P9A78 is a kind of Powertrain Trouble Code

Powertrain of a modern automobile, comprising engine (with exhaust system), transmission, drive shaft, suspension and the wheels. In a motor vehicle, the term powertrain or powerplant describes the main components that generate power and deliver it to the road surface, water, or air.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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P9A78 Mazda 2000 OBD Code

P9A78 Mazda 2000 Error Code Repair Process :

Common Causes of Mazda 2000 P9A78 OBD2 Code

P9A78 code for other Mazda cars