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P0476 Engine Code Repair

Meaning of P0476 engine trouble code is a kind of powertrain trouble code and when your car's 'P0476 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.

P0476 Fault Symptoms :

  1. Check engine light comes on
  2. Engine stalling or misfiring
  3. Engine performance issues
  4. Car not starting

If one of these reasons for P0476 code is occuring now you should check P0476 repair processes.
Now don't ask yourself; What should you do with P0476 code ?
The solution is here :

P0476 Possible Solution:

P0476 Engine

Air Conditioning Pressure Sensor (ACP) Insufficient Pressure Change Each time the A/C clutch engages, the PCM is looking for a pressure change in the refrigerant. If the change in pressure is outside of the calibration the DTC will set. A/C system mechanical failure Open ACP or VREF circuit A/C sensor damaged A/C system electrical failure A/C clutch always engaged Verify A/C system function, including refrigerant charge.

P0476 Code Meaning :

P
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine

0
Intake Valve Control Solenoid Circuit Low

4
Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

7
Cylinder 4 Contribution/Balance Fault

6
Crankshaft Position Sensor B Circuit Malfunction

The oxygen (02) sensors on your car measure the oxygen in the exhaust to determine how rich or lean the ratio of fuel and air are in the cylinders. Optimizing this mixture means better fuel economy and fewer exhaust emissions.

P0476 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P0476 OBD-II Trouble Code Exhaust Back Pressure Regulator - Is a variable position valve that controls exhaust back pressure during cold ambient temperatures to increase cab heat and decrease the amount of time needed to defro P0476 code.

Main reason For P0476 Code

The reason of P0476 OBD-II Engine Trouble Code is Throttle/Pedal Position Sensor/Switch A Circuit Intermittent.

P0476 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.