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P0389 Engine Trouble Code

P0389 Engine

When you check engine light came on code P0389 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the P0389 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P0389 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 $2,000 and you can't do it yourself unless you're an experienced mechanic.

P0389 Code Meaning :

P 0 3 8 9
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low Fuel Rail Pressure Sensor Circuit Malfunction Cylinder 1 Injector Circuit Low Ignition Coil A Primary/Secondary Circuit Malfunction

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.

P0389 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P0389 OBD-II Trouble Code The Crankshaft position sensor also known as the crank position sensor is an electronic device used in an engine to record the rate at which the crankshaft is spinning. This information is used by the P0389 code.

Reason For P0389 Code

The reason of P0389 OBD-II Engine Trouble Code is Fuel Rail Pressure Sensor Circuit Malfunction.

P0389 DTC reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.