C0125 Fiat Abarth Diagnostic Trouble Code
C0125 Fiat Abarth code definition:
C0125 is a kind of OBD-II Diagnostic C-Chassis Diagnostic Trouble Code for Fiat Abarth.
C0125 Fiat Abarth is triggered when the bank 1 camshaft position sensor doesn't match the signal from the crankshaft position sensor. Other symptoms that may indicate this problem are when the Check Engine Light illuminates and when there is a visible lack of engine power.
Symptoms
Symptoms of a C0125 Fiat Abarth diagnostic trouble code may include:
- The engine oil will exhibit dilution from the ECUs attempts to increase engine temperature. Some vehicles advance the fuel injection timing slightly after top center to afterburn a small amount of fuel to increase exhaust temperatures. Some of this fuel enters the crankcase. When the ECU determines the necessity to regenerate the DPF, the service life of the oil be shortened significantly
- Faulty or damaged wiring
- Hesitation upon acceleration
- Rich or lean exhaust
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Possible Causes :
- Faulty IMRC actuator relay (if equipped)
- A large air leak at or near the number one oxygen sensor would also cause a lean mixture.
- Defective ECU strategies or components will prevent proper regeneration
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Common Misdiagnoses
- TP Sensor Learn Not Complete Problem
- Low Coolant Circuit Problem
- Cruise Control System - Vehicle Accel Too High Problem
- TFP Valve Position Switch-Drive Without Drive Ratio Problem
- Problem
Repair Processes :
If you find a related TSB, the information will often help in diagnosing the code in question as TSBs are crested from many thousands of repairs.
With the valve disconnected, the red voltmeter lead should be attached to the IMRC valve power wire and the black voltmeter lead connected to ground.
Process Tips
Diagnostic trouble code C0125 Fiat Abarth is not difficult to diagnose and repair. Thus, it always pays to have a qualified technician to look after your vehicle should this error code arise.
Diagnosing this code requires the engine to be in good running shape, without unmetered air entering the engine. If other codes that relates to misfiring condition, lean running or air entering the engine is present, then you must first fix those error codes before C0125 Fiat Abarth.
Fortunately, C0125 Fiat Abarth is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.
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