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C0003 Engine Trouble Code

Meaning of C0003 engine trouble code is a kind of chassis 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.

C0003 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 C0003 code is occuring now you should check C0003 repair processes.
Now don't ask yourself; What should you do with C0003 code ?
The solution is here :

C0003 Possible Solution:

C0003 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.

C0003 Code Meaning :

C 0 0 0 3
OBD-II Diagnostic Chassis (C) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low Ambient Air Temperature Sensor Circuit Low Cold Start Injector 1 Malfunction Exhaust Gas Recirculation Sensor B Circuit High

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.

C0003 OBD-II Diagnostic Chassis (C) Trouble Code Description

C0003 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Main reason For C0003 Code

The reason of C0003 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.

C0003 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.