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Mercedes Gla C1221 Engine Trouble Code

When the check engine light comes Mercedes Gla C1221 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.

Mercedes Gla C1221 Code Meaning :

C
OBD-II Diagnostic Chassis (C) Trouble Code For Engine
1
Fuel And Air Metering
2
Engine Oil Temperature Sensor Malfunction
2
Cylinder 10 Contribution/balance Fault
1
Exhaust Gas Recirculation Sensor B Circuit High
Mercedes Gla Engine

When you check Mercedes Gla car engine light came on code C1221 the reason should be . However manufacturer may have a different definition for the C1221 OBD-II Diagnostic Chassis (C) Trouble Code. So you should chech it on our car models.

C1221 OBD-II Diagnostic Chassis (C) Trouble Code Description

C1221 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For C1221 Code

The reason of C1221 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

C1221 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.

C1220 Previous Engine Trouble Code For Mercedes Gla Next Engine Trouble Code For Mercedes Gla C1222

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