Pontiac Sunfire U3120 Engine Trouble Code

When your car's 'Pontiac Sunfire U3120 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.

Pontiac Sunfire U3120 Code Meaning :

When you check Pontiac Sunfire car engine light came on code U3120 the reason should be . However manufacturer may have a different definition for the U3120 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.

U3120 OBD-II Diagnostic Network (U) Trouble Code Description

U3120 engine trouble code is about Reverse Input Circuit.

Reason For U3120 Code

The reason of U3120 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

U3120 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.

U3119 Previous Engine Trouble Code For Pontiac Sunfire

Next Engine Trouble Code For Pontiac Sunfire U3121