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P1042 Engine Trouble Code

Meaning of P1042 engine trouble code is a kind of powertrain trouble code and theoretically you can drive for a few weeks or even months with a broken MAF sensor. You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. At a shop, the replacement cost is between $240-$400 depending on the car, but that's usually the cost of parts because the labor is relatively simple.

P1042 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 P1042 code is occuring now you should check P1042 repair processes.
Now don't ask yourself; What should you do with P1042 code ?
The solution is here :

P1042 Possible Solution:

P1042 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.

P1042 Code Meaning :

P 1 0 4 2
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering Ambient Air Temperature Sensor Circuit Low Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector) Glow Plug/Heater Circuit 'A' 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.

P1042 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1042 engine trouble code is about Glow Plug/Heater Circuit 'A' Malfunction.

Main reason For P1042 Code

The reason of P1042 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.

P1042 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.