B2778 Engine Trouble Code
Meaning of B2778 engine trouble code is : B2778 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 $2,000 and you can't do it yourself unless you're an experienced mechanic.
B2778 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.
B2778 Code Meaning :
|OBD-II Diagnostic Body (B) Trouble Code For Engine||Fuel And Air Metering (Injector Circuit Malfunctions Only)||Fuel Rail Pressure Sensor Circuit Malfunction||Cylinder 10 Contribution/balance Fault||Clutch Position Sensor Circuit Malfunction|
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.
B2778 OBD-II Diagnostic Body (B) Trouble Code DescriptionB2778 engine trouble code is about Clutch Position Sensor Circuit Malfunction.
Reason For B2778 CodeThe reason of B2778 OBD-II Engine Trouble Code is Fuel Rail Pressure Sensor Circuit Malfunction.
B2778 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.