U0111 Rover 2600 Diagnostic Trouble Code
U0111 Rover 2600 code definition:
U0111 is a kind of OBD-II Diagnostic U-Network Diagnostic Trouble Code for Rover 2600.
U0111 Rover 2600 is defined as Camshaft Position Sensor A Circuit Low. This means the CMP (camshaft position) sensor circuit on engine bank 1 sends an irregular reading. If the car doesn't start, they will proceed by testing the voltage at the fuel pump connector and see if the fuel pump relay, fuse, and PCM circuitry should be inspected.
Symptoms
Symptoms of a U0111 Rover 2600 diagnostic trouble code may include:
- Faulty O2 Sensor
- Lack of power
- If the DPF is not cleared the ECU will revert to the "Limp Home Mode" until the situation is corrected
- Reduction in engine performance, especially at low RPM levels
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Possible Causes :
- A faulty oxygen sensor. This will set a code in itself, however, a faulty oxygen sensor does not automatically condemn the sensor. The code just means that the sensor signal was not within specifications. An air leak or any of the above will cause an erroneous signal. There is a multitude of O2 codes relating to O2 performance which gives a clue to the problematic area.
- Some aftermarket accessories and performance modifications
- Fuel with a large percentage of sulfur will clog the DPF quickly
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Common Misdiagnoses
- Vehicle Speed Output Circuit Problem
- Cruise Control Servo Indicates Low Problem
- A/C System High Pressure High Temperature Problem
- PCM Stack Overrun Problem
- Transmission Control Module Reprogrammable Memory Problem
Repair Processes :
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.
If all testing has passed so far yet you still have the same code, check your scan tool and see if it can open and close the IMRC valve.
Process Tips
Diagnostic trouble code U0111 Rover 2600 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 U0111 Rover 2600.
Fortunately, U0111 Rover 2600 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.
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