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P3115 Engine Code Repair

Meaning of P3115 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.

P3115 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 P3115 code is occuring now you should check P3115 repair processes.
Now don't ask yourself; What should you do with P3115 code ?
The solution is here :

P3115 Possible Solution:

P3115 Engine

Power Steering Pressure (PSP) Switch Signal Malfunction The PCM counts the number of times vehicle speed transitions from 0 to a calibratable speed. After a calibratable number of speed transitions the PCM expects that the PSP input should have changed. This DTC is set if the transition is not detected. Vehicle towed with engine running Power steering hydraulic concern was repaired but DTC was not erased PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged Check, if possible, if vehicle was towed or power steering service was performed. Observe PSP V PID while checking wires for intermittents.

P3115 Code Meaning :

P
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine

3
Ignition System Or Misfire

1
Ambient Air Temperature Sensor Circuit Low

1
Cold Start Injector 1 Malfunction

5
Timing Reference High Resolution Signal A Too Many Pulses

Regarding the P3115 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.

P3115 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P3115 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.

Main reason For P3115 Code

The reason of P3115 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.

P3115 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.