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Hyundai Hcd P0121 Engine Trouble Code

When the check engine light comes Hyundai Hcd P0121 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.

Hyundai Hcd P0121 Code Meaning :

P
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine
0
Intake Valve Control Solenoid Circuit Low
1
Engine Oil Temperature Sensor Malfunction
2
Cylinder 10 Contribution/balance Fault
1
Exhaust Gas Recirculation Sensor B Circuit High
Hyundai Hcd Engine

When you check Hyundai Hcd car engine light came on code P0121 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However manufacturer may have a different definition for the P0121 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P0121 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P0121 OBD-II Trouble Code The throttle position sensor ( P0121 code.

Reason For P0121 Code

The reason of P0121 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P0121 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.

P0120 Previous Engine Trouble Code For Hyundai Hcd Next Engine Trouble Code For Hyundai Hcd P0122

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