P0016 Peugeot 807 Diagnostic Trouble Code

P0016 Peugeot 807 code definition:
P0016 is a kind of OBD-II Diagnostic P-Powertrain Diagnostic Trouble Code for Peugeot 807.

P0016 Peugeot 807 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. 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 P0016 Peugeot 807 diagnostic trouble code may include:
  • Hesitation upon acceleration
  • Excessive exhaust leak
  • Rich or lean exhaust
  • Lack of power
Place of P0016 in engine

Possible Causes :

  • Faulty IMRC actuator relay (if equipped)
  • A large air leak at or near the number one oxygen sensor would also cause a lean mixture.
  • Some aftermarket accessories and performance modifications

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 :

If you find a related TSB, the information will often help in diagnosing the code in question as TSBs are crested from many thousands of repairs. 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. Look at the plug wires to make sure they are not burnt or laying on the exhaust.

Process Tips

Diagnostic trouble code P0016 Peugeot 807 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 P0016 Peugeot 807.

Fortunately, P0016 Peugeot 807 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

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