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C3135 Rover P5b Diagnostic Trouble Code

C3135 Rover P5b code definition:
C3135 is a kind of OBD-II Diagnostic C-Chassis Diagnostic Trouble Code for Rover P5b.

C3135 Rover P5b is defined as Knock Sensor Circuit Range Performance (Bank 1 or Single Sensor). This refers to camshaft timing, which in this case is over-retarded. As you drive and when specific conditions are slowly met, the vapors will gradually purge from the charcoal canister and will get burned within your engine.

Symptoms

Symptoms of a C3135 Rover P5b diagnostic trouble code may include:

• Vacuum leak on the engine
• Reduction in engine performance, especially at low RPM levels
• Engine surge
• The light may stay on or light intermittently as the DPF regenerates. The engine will be sluggish on acceleration.

Possible Causes : Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors. Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors. Rarely - faulty Powertrain Control Module (PCM-programming required after replacement)

Common Misdiagnoses

1. Control Module Throttle Actuator Position Performance Problem
2. Air Conditioning (A/C) Clutch Feedback Circuit High Voltage Problem
3. Cruise Vehicle Speed/Set Speed Difference Too High Problem
4. Kick-Down Switch Failed Short Problem
5. Park/Neutral Postion (PNP) Switch Circuit Engine Torque Signal Circuit Problem

Repair Processes :

Look for damage to the tank indicating impact that may have damaged the fuel pump or sender. Use the DVOM to test resistance and continuity on all system circuits if actuator and sensor resistance levels are in compliance with manufacturer's specifications.

Process Tips

Diagnostic trouble code C3135 Rover P5b 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 C3135 Rover P5b.

Fortunately, C3135 Rover P5b is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

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