P0178 Engine Trouble Code
Meaning of P0178 engine trouble code is a kind of powertrain trouble code and when your car's 'P0178 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.
P0178 Fault Symptoms :
If one of these reasons for P0178 code is occuring now you should check P0178 repair processes.
Now don't ask yourself; What should you do with P0178 code ?
The solution is here :
P0178 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.
P0178 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Intake Valve Control Solenoid Circuit Low||Fuel Rail/System Pressure - Too High||Cylinder 10 Contribution/balance Fault||Clutch Position Sensor Circuit Malfunction|
Is the fuel pump sometimes not priming when you turn the key to ON(II)? Start by measuring the fuel pressure and checking whether you have bright white-bluish spark at all four plugs. The mechanical timing is also something that you should check, as we mentioned above.
P0178 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP0178 OBD-II Trouble Code Fuel Composition Sensors are used to determine the amount of ethanol alcohol in the gasoline. Normally, a gasoline engine should not have more than 10% ethanol alcohol in the fuel for proper operation P0178 code.
Main reason For P0178 CodeThe reason of P0178 OBD-II Engine Trouble Code is Fuel Rail/System Pressure - Too High.
P0178 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.