Subaru Liberty C1938 Engine Trouble Code
When the check engine light comes Subaru Liberty C1938 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 Liberty C1938 Code Meaning :
OBD-II Diagnostic Chassis (C) Trouble Code For Engine
Fuel And Air Metering
Engine Oil Temperature Sensor Malfunction
Cylinder 10 Contribution/balance Fault
Exhaust Gas Recirculation Sensor B Circuit High

When you check Subaru Liberty car engine light came on code C1938 the reason should be . However manufacturer may have a different definition for the C1938 OBD-II Diagnostic Chassis (C) Trouble Code. So you should chech it on our car models.
C1938 OBD-II Diagnostic Chassis (C) Trouble Code Description
C1938 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.Reason For C1938 Code
The reason of C1938 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.C1938 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.
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