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C0490 Engine Trouble Code

Meaning of C0490 engine trouble code is : When your car's 'C0490 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.

C0490 Possible Solution:

C0490 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.

C0490 Code Meaning :

C 0 4 9 0
OBD-II Diagnostic Chassis (C) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low O2 Sensor Heater Circuit Malfunction Crankshaft Position Sensor A Circuit Malfunction Shift Solenoid E Performance or Stuck Off

Is the fuel pump sometimes not priming when you turn the key to ON(II)? Start by measuring the fuel pressure and checking whether you have bright white-bluish spark at all four plugs. The mechanical timing is also something that you should check, as we mentioned above.

C0490 OBD-II Diagnostic Chassis (C) Trouble Code Description

C0490 engine trouble code is about Shift Solenoid E Performance or Stuck Off.

Reason For C0490 Code

The reason of C0490 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.

C0490 DTCs may also be triggered by faults earlier down the line. For example, a dirty MAF sensor might be causing the car to overcompensate in its fuel-trim adjustments. As a result, oxygen sensors are likely to report fuel mixture problems.