P0135 Armstrong Siddeley Star Sapphire Diagnostic Trouble Code

P0135 Armstrong Siddeley Star Sapphire code definition:
P0135 is a kind of OBD-II Diagnostic P-Powertrain Diagnostic Trouble Code for Armstrong Siddeley Star Sapphire.

P0135 Armstrong Siddeley Star Sapphire is described as Oxygen Sensor Circuit No Activity Detected (Bank 1, Sensor 1). This means there's a problem in the front oxygen sensor on Bank 1, as the O2 sensor is inactive. 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 P0135 Armstrong Siddeley Star Sapphire diagnostic trouble code may include:
Place of P0135 in engine

Possible Causes :

  • An air leak forward of the DPF will change the sensor readings resulting in the code
  • Rusty exhaust systems, cracked exhaust manifolds or damaged or missing gaskets or donuts will cause air leaks.
  • Some aftermarket accessories and performance modifications

Common Misdiagnoses

  1. TP Sensor Learn Not Complete Problem
  2. Low Coolant Circuit Problem
  3. Cruise Control System - Vehicle Accel Too High Problem
  4. TFP Valve Position Switch-Drive Without Drive Ratio Problem
  5. Problem

Repair Processes :

Look for rubbing, scraping, bare wires, worn spots or melted plastic connectors. Pull the connectors apart and carefully look at the terminals (the metal parts) inside the connectors. Look for missing ground strap or a rusty ground where the fuel tank is grounded to the frame. Check for damage to the wiring harness connector. Oxygen sensors signal the engine management computer the amount of oxygen present in the exhaust, which is used in determining and controlling the fuel ratio.

Process Tips

Diagnostic trouble code P0135 Armstrong Siddeley Star Sapphire 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 P0135 Armstrong Siddeley Star Sapphire.

Fortunately, P0135 Armstrong Siddeley Star Sapphire is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

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