Cadillac 61 U0278 Engine Trouble Code
When your car's 'Cadillac 61 U0278 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.
Cadillac 61 U0278 Code Meaning :
OBD-II Diagnostic Network (U) Trouble Code For Engine
Intake Valve Control Solenoid Circuit Low
Engine Oil Temperature Sensor Malfunction
Cylinder 10 Contribution/balance Fault
Exhaust Gas Recirculation Sensor B Circuit High

When you check Cadillac 61 car engine light came on code U0278 the reason should be . However manufacturer may have a different definition for the U0278 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.
U0278 OBD-II Diagnostic Network (U) Trouble Code Description
U0278 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.Reason For U0278 Code
The reason of U0278 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.U0278 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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