P1439 Engine Trouble Code

Meaning of P1439 engine trouble code is a kind of powertrain trouble code and when your car's 'P1439 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.

P1439 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 P1439 code is occuring now you should check P1439 repair processes.
Now don't ask yourself; What should you do with P1439 code ?
The solution is here :

P1439 Possible Solution:

P1439 Engine

Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly. If your spark plugs look good, problems with your ignition system can also preventing a spark. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage.

P1439 Code Meaning :

P 1 4 3 9
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering O2 Sensor Heater Circuit Malfunction Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector) Reverse Input Circuit

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.

P1439 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1439 OBD-II Trouble Code Floor Temperature Switch Circuit Malfunction is one of the definitions for the P1439; however your vehicles manufacturer may have a different definition for the P1439 code. Please check below for your P1439 code.

Main reason For P1439 Code

The reason of P1439 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.

P1439 the main thing to check is to verify the operation of the VCT solenoid. You're looking for a sticking or stuck VCt solenoid valve caused by contamination. Refer to vehicle specific repair manual to perform component tests for the VCT unit.