P1509 Engine Trouble Code

Meaning of P1509 engine trouble code is a kind of powertrain trouble code and P1509 code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,200. Taking your car into a shop will cost you around $210 depending on the car. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, you should get this fixed right away.

P1509 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 P1509 code is occuring now you should check P1509 repair processes.
Now don't ask yourself; What should you do with P1509 code ?
The solution is here :

P1509 Possible Solution:

P1509 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.

P1509 Code Meaning :

P 1 5 0 9
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering Fuel Composition Sensor Circuit Malfunction Cold Start Injector 1 Malfunction Reverse Input Circuit

Regarding the P1509 code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold bracket. This is done most easily from below the car in the area near the oil filter.

P1509 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1509 OBD-II Trouble Code Idle Control System Circuit Shorted is one of the definitions for the P1509; however your vehicles manufacturer may have a different definition for the P1509 code. Please check below for your specific P1509 code.

Main reason For P1509 Code

The reason of P1509 OBD-II Engine Trouble Code is Fuel Composition Sensor Circuit Malfunction.

P1509 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.