P257B Engine Trouble Code
Meaning of P257B engine trouble code is a kind of powertrain trouble code and when your car's 'P257B 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.
P257B Fault Symptoms :
If one of these reasons for P257B code is occuring now you should check P257B repair processes.
Now don't ask yourself; What should you do with P257B code ?
The solution is here :
P257B Possible Solution:
The crankshaft sensor signals the fuel injection computer or the ignition control when the cylinders are firing. This causes the ignition coil to provide a spark and the injector to inject fuel into each cylinder at the right time.If either sensor isn't working correctly, the car will run rough and the engine will be less efficient. In later car models, the car's computer can usually keep the vehicle running, but the engine warning light on the dashboard goes on to warn the driver.
P257B Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Fuel And Air Metering (Injector Circuit Malfunctions Only)||Fuel Composition Sensor Circuit Malfunction||Cylinder 10 Contribution/balance Fault|
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.
P257B OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP257B engine trouble code is about .
Main reason For P257B CodeThe reason of P257B OBD-II Engine Trouble Code is Fuel Composition Sensor Circuit Malfunction.
P257B 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.