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P03A4 Engine Trouble Code

Meaning of P03A4 engine trouble code is a kind of powertrain trouble code and theoretically you can drive for a few weeks or even months with a broken MAF sensor. You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. At a shop, the replacement cost is between $200-$300 depending on the car, but that's usually the cost of parts because the labor is relatively simple.

P03A4 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 P03A4 code is occuring now you should check P03A4 repair processes.
Now don't ask yourself; What should you do with P03A4 code ?
The solution is here :

P03A4 Possible Solution:

P03A4 Engine

Power Steering Pressure (PSP) Switch Malfunction In Key On, Engine Off Self-Test, this DTC indicates the PSP input to the PCM is high. In Key On, Engine Running Self-Test, this DTC indicates that the PSP input did not change state. Steering wheel must be turned during Key On, Engine Running Self-Test PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged.

P03A4 Code Meaning :

P 0 3 a 4
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low Throttle/Pedal Position Sensor/Switch A Circuit Intermittent Timing Reference High Resolution Signal A Too Many Pulses

The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue.

P03A4 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P03A4 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.

Main reason For P03A4 Code

The reason of P03A4 OBD-II Engine Trouble Code is Throttle/Pedal Position Sensor/Switch A Circuit Intermittent.

P03A4 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.