U0277 Mitsubishi Pajero Iv Diagnostic Trouble Code

U0277 Mitsubishi Pajero Iv code definition:
U0277 is a kind of OBD-II Diagnostic U-Network Diagnostic Trouble Code for Mitsubishi Pajero Iv.

U0277 Mitsubishi Pajero Iv is triggered when the bank 1 camshaft position sensor doesn't match the signal from the crankshaft position sensor. The PCM then uses this data to provide the right strategies for the fuel delivery and ignition timing of the engine.

Symptoms

Symptoms of a U0277 Mitsubishi Pajero Iv diagnostic trouble code may include:
Place of U0277 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.
  • Rough running engine due to misfiring plugs. Many engines have misfire codes to indicate the cylinder effected, such as P0307 for number 7.

Common Misdiagnoses

  1. Crankshaft Position Sensor Circuit Performance Problem
  2. TP Sensor Learn Not Complete Problem
  3. Low Coolant Circuit Problem
  4. Cruise Control System - Vehicle Accel Too High Problem
  5. Kick-Down Switch Failed Short Problem

Repair Processes :

Once located, visually inspect the connectors and wiring. Look for rubbing, scraping, bare wires, worn spots or melted plastic 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.

Process Tips

Diagnostic trouble code U0277 Mitsubishi Pajero Iv 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 U0277 Mitsubishi Pajero Iv.

Fortunately, U0277 Mitsubishi Pajero Iv is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

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