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P3777 Engine Trouble Code

Meaning of P3777 engine trouble code is a kind of powertrain trouble code and P3777 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,140 and you can't do it yourself unless you're an experienced mechanic.

P3777 Fault Symptoms :

Check engine light comes on
Engine stalling or misfiring
Engine performance issues
Car not starting

If one of these reasons for P3777 code is occuring now you should check P3777 repair processes.
Now don't ask yourself; What should you do with P3777 code ?
The solution is here :

P3777 Possible Solution:

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.

P3777 Code Meaning :

P	3	7	7	7
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine	Ignition System Or Misfire	Fuel Rail Pressure Sensor Circuit Malfunction	Cylinder 10 Contribution/balance Fault	Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate.

P3777 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P3777 engine trouble code is about Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical.

Main reason For P3777 Code

The reason of P3777 OBD-II Engine Trouble Code is Fuel Rail Pressure Sensor Circuit Malfunction.

P3777 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.

	Example: 0140