DTC U1214 Dodge

Air Fuel Sensor 1 (Bank 1 Sensor 1) Circuit No Activity Detected

Air Fuel Sensor 1 (Bank 1 Sensor 1) Circuit No Activity Detected

Description

Engine started, engine runtime over 140 seconds, vehicle driven at a steady speed of 25-81 mph at over 1500 rpm with the throttle valve open, and the PCM detected the A FS-11 signal did not indicate rich (more than 450 mv) after 65 seconds under these con

Cause and Solution

Air leaks present in the PCV valve, hoses or hose connectionsA FS1 connector is damaged or looseA FS1 signal circuit is open or shorted to groundA FS1 is damaged, contaminated or it has failedFuel Control component faults (sticking injec

Video Guide

Duration: PT4M26S | Uploaded: 2020-08-20

Diagnostic Info

  • DTC Code: U1214
  • Brand: Dodge
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