C2125 Toyota Fxs OBD Code

OBD/2 C2125 error code description and symptoms.

Output Shaft Speed sensor circuit intermittent failure The output shaft speed sensor signal to the PCM is irregular or interrupted.
Harness connector not properly seated Harness intermittently shorted, or open Harness connector damaged OSS sensor damaged, or not installed properly Verify harness and connector integrity Verify OSS sensor proper installation.

As long as the throttle plate remains closed, the idling speed and quality is controlled by the PCM via the idle control valve, and as can be seen from the above it should be clear that idle control on a gasoline engine is a complex affair. For instance, if the engine is started in sub-zero temperatures, the PCM will command the idling control valve to allow less air to enter the engine to enrich the air/fuel mixture to create a condition which is roughly analogous to how chokes worked on carburetted engines to control idling in cold weather.

C2125 Toyota Fxs Error Code Repair Process :

If your wastegate failed closed (over pressure) 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 C2125 and engine control unit are in charge of monitoring a bunch of different wastegate failed closed (over pressure), and if they get a reading that's a little out of whack, up pops the check engine light.

Common Causes of Toyota Fxs C2125 OBD2 Code

A common cause of code C2125 is the failure of Wastegate Failed Closed (Over Pressure), but there are several other possible causes as well, such as ;

Camshaft Position Sensor harness is open or shorted
Exhaust gas leaks
Air fuel ratio (A/F) Sensor 1 Bank 1 harness is open or shorted
Intake Valve Timing Control Solenoid Valve circuit poor electrical connection

C2125 is a kind of Chassis Trouble Code

Diagnosing chassis noises can be one of the most frustrating problems technicians face. Fortunately, manufacturers have engineered noise, vibration and harshness (NVH) diagnostic techniques and equipment to find the source of the noise.

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

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C2125 Toyota Fxs OBD Code

C2125 Toyota Fxs Error Code Repair Process :

Common Causes of Toyota Fxs C2125 OBD2 Code

C2125 code for other Toyota cars