P1390 Engine Trouble Code
Meaning of P1390 engine trouble code is a kind of powertrain trouble code and when your car's 'P1390 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.
P1390 Fault Symptoms :
If one of these reasons for P1390 code is occuring now you should check P1390 repair processes.
Now don't ask yourself; What should you do with P1390 code ?
The solution is here :
P1390 Possible Solution:
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.
P1390 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Fuel And Air Metering||Throttle/Pedal Position Sensor/Switch A Circuit Intermittent||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.
P1390 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP1390 OBD-II Trouble Code Octane Adjust Pin Out Of Self Test Range is one of the definitions for the P1390; however your vehicles manufacturer may have a different definition for the P1390 code. Please check below for your spe P1390 code.
Main reason For P1390 CodeThe reason of P1390 OBD-II Engine Trouble Code is Throttle/Pedal Position Sensor/Switch A Circuit Intermittent.
P1390 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.