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P02A4 Engine Trouble Code

Meaning of P02A4 engine trouble code is a kind of powertrain trouble code and P02A4 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,140 and you can't do it yourself unless you're an experienced mechanic.

P02A4 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 P02A4 code is occuring now you should check P02A4 repair processes.
Now don't ask yourself; What should you do with P02A4 code ?
The solution is here :

P02A4 Possible Solution:

P02A4 Engine

The crankshaft sensor signals the fuel injection computer or the ignition control when the cylinders are firing. This causes the ignition coil to provide a spark and the injector to inject fuel into each cylinder at the right time.If either sensor isn't working correctly, the car will run rough and the engine will be less efficient. In later car models, the car's computer can usually keep the vehicle running, but the engine warning light on the dashboard goes on to warn the driver.

P02A4 Code Meaning :

P 0 2 a 4
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low Manifold Absolute Pressure/Barometric Pressure Circuit High Input Timing Reference High Resolution Signal A Too Many Pulses

The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate.

P02A4 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P02A4 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.

Main reason For P02A4 Code

The reason of P02A4 OBD-II Engine Trouble Code is Manifold Absolute Pressure/Barometric Pressure Circuit High Input.

P02A4 the main thing to check is to verify the operation of the VCT solenoid. You're looking for a sticking or stuck VCt solenoid valve caused by contamination. Refer to vehicle specific repair manual to perform component tests for the VCT unit.