Pierce-arrow Series U3421 Engine Trouble Code

When your car's 'Pierce-arrow Series U3421 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.

Pierce-arrow Series U3421 Code Meaning :

When you check Pierce-arrow Series car engine light came on code U3421 the reason should be . However manufacturer may have a different definition for the U3421 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.

U3421 OBD-II Diagnostic Network (U) Trouble Code Description

U3421 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For U3421 Code

The reason of U3421 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

U3421 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.

U3420 Previous Engine Trouble Code For Pierce-arrow Series

Next Engine Trouble Code For Pierce-arrow Series U3422