P1434 Engine Trouble Code

Meaning of P1434 engine trouble code is a kind of powertrain trouble code and when your car's 'P1434 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.

P1434 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 P1434 code is occuring now you should check P1434 repair processes.
Now don't ask yourself; What should you do with P1434 code ?
The solution is here :

P1434 Possible Solution:

P1434 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.

P1434 Code Meaning :

P 1 4 3 4
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) Timing Reference High Resolution Signal A Too Many Pulses

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.

P1434 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1434 OBD-II Trouble Code A/C Refrigerant Temperature Circuit High is one of the definitions for the P1434; however your vehicles manufacturer may have a different definition for the P1434 code. Please check below for your spe P1434 code.

Main reason For P1434 Code

The reason of P1434 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.

P1434 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.