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Subaru Legacy 3 B0557 Engine Trouble Code

When the check engine light comes Subaru Legacy 3 B0557 code on the first you should check is the gas cap. Pull over, retighten it, and take a look at the cap to see if it has any cracks in it. Continue driving and see if the check engine light turns off. Alternately, you can purchase a gas cap for about $3 at an auto parts store. All you need to do is take the old one off and screw on the new one. If you've already made it to the store, you might as well just replace it. While not car-threatening, it's good to take care of this right away to improve gas mileage.

Subaru Legacy 3 B0557 Code Meaning :

B	0	5	5	7
OBD-II Diagnostic Body (B) Trouble Code For Engine	Intake Valve Control Solenoid Circuit Low	Fuel Composition Sensor Circuit Malfunction	Cylinder 1 Injector Circuit Low	Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

When you check Subaru Legacy 3 car engine light came on code B0557 the reason should be . However manufacturer may have a different definition for the B0557 OBD-II Diagnostic Body (B) Trouble Code. So you should chech it on our car models.

B0557 Fault Symptoms :

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

If one of these reasons for B0557 code is occuring now you should check B0557 repair processes.
Now don't ask yourself; What should you do with B0557 code ?
The solution is here :

Subaru Legacy 3 B0557 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.

B0557 OBD-II Diagnostic Body (B) Trouble Code Description

B0557 engine trouble code is about Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical.

Reason For B0557 Code

The reason of B0557 OBD-II Engine Trouble Code is Fuel Composition Sensor Circuit Malfunction.

Parts or components should not be replaced with reference to only a B0557 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.

	Example: 0120