B1442 Armstrong Siddeley Star+Sapphire Diagnostic Trouble Code

B1442 Armstrong Siddeley Star+Sapphire code definition:
B1442 is a kind of OBD-II Diagnostic B-Body Diagnostic Trouble Code for Armstrong Siddeley Star+Sapphire.

B1442 Armstrong Siddeley Star+Sapphire is a DTC or a diagnostic trouble code. It is a check engine light code which indicates that the catalyst's system efficiency is less than the required threshold. In simple terms, it means that more pollution is added into the air than what was supposed to be because of your car. 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 B1442 Armstrong Siddeley Star+Sapphire diagnostic trouble code may include:
  • Diminished fuel efficiency
  • Fuel pressure too high
  • Malfunction Indicator Lamp (MIL) illuminated
  • Misfire
Place of B1442 in engine

Possible Causes :

  • Faulty IMRC actuator/sensor
  • A large vacuum leak would cause a massive amount of un-metered air to enter the intake manifold resulting in an overly lean mixture.
  • Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors.

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 :

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. If the engine displays a miss and there wasn't a code, determine which cylinder is misfiring. If the exhaust manifold is visible, spay or pour a small amount of water on each cylinder exhaust port. Water will evaporate immediately on good cylinders and slowly on the missing cylinder. If this can't be accomplished pull the plugs and check the condition. Look for damage to the tank indicating impact that may have damaged the fuel pump or sender.

Process Tips

Diagnostic trouble code B1442 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 B1442 Armstrong Siddeley Star+Sapphire.

Fortunately, B1442 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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