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P2794 Engine Trouble Code

Meaning of P2794 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 $200-$300 depending on the car, but that's usually the cost of parts because the labor is relatively simple.

P2794 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 P2794 code is occuring now you should check P2794 repair processes.
Now don't ask yourself; What should you do with P2794 code ?
The solution is here :

P2794 Possible Solution:

P2794 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.

P2794 Code Meaning :

P 2 7 9 4
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering (Injector Circuit Malfunctions Only) Fuel Rail Pressure Sensor Circuit Malfunction Crankshaft Position Sensor A Circuit Malfunction Timing Reference High Resolution Signal A Too Many Pulses

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.

P2794 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P2794 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.

Main reason For P2794 Code

The reason of P2794 OBD-II Engine Trouble Code is Fuel Rail Pressure Sensor Circuit Malfunction.

P2794 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.