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P1389 Engine Trouble Code

P1389 Engine

When you check engine light came on code P1389 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 P1389 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

When your car's 'P1389 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.

P1389 Code Meaning :

P 1 3 8 9
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering Fuel Rail Pressure Sensor Circuit Malfunction Cylinder 1 Injector Circuit Low Ignition Coil A Primary/Secondary Circuit Malfunction

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.

P1389 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1389 OBD-II Trouble Code Glow Plug Circuit High Side Low Input is one of the definitions for the P1389; however your vehicles manufacturer may have a different definition for the P1389 code. Please check below for your specif P1389 code.

Reason For P1389 Code

The reason of P1389 OBD-II Engine Trouble Code is Fuel Rail Pressure Sensor Circuit Malfunction.

P1389 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.