Lincoln Navigator U0101:  Meaning, Causes, + Diagnosis

U0101 is a generic powertrain code, which means it has the same definition for the Lincoln Navigator as it would any other vehicle.  It means that your Navigator’s TCM (Transmission Control Module) can’t communicate with the rest of the vehicle, usually due to a bad wiring harness or an issue with the  TCM itself. U0101 … Read more

Lincoln Navigator P219B: Causes, Diagnosis, + Symptoms

P219B is a generic OBD2 trouble code.  This code indicates that your Lincoln Navigator’s air/fuel ratio is out of balance (too rich or too lean) on the bank 2 side of the engine in question. Your Navigator is equipped with oxygen sensors that measure the air-fuel ratio of your engine. It’s these sensors that are … Read more

Lincoln Navigator: P219A Meaning, Causes, & Diagnosis

P219A is a generic OBDII code.  The code indicates that your Lincoln Navigator’s air/fuel ratio is out of balance (too rich or too lean). Your Navigator is equipped with oxygen sensors that measure the air-fuel ratio of your engine. It’s these sensors that are reporting the problem with the air-fuel ratio.   With P219A are … Read more

P2097 Lincoln Navigator

P2097 is a generic OBD II code, which means that it has the same meaning for the Lincoln Navigator as it would any other vehicle.  It specifically indicates that your Navigator detected that air-fuel mixture reading as the exhaust gas exits the catalytic converter is too rich. (too much fuel for the amount of fuel … Read more

Lincoln Navigator U0073: Meaning, Symptoms, + Diagnosis

U0073 Definition: Control Module Communication Bus”A” Off U0073 is a fairly common trouble code.  It is generic, so it has the same meaning for your Lincoln Navigator as it would any other.  This code appears when something has interrupted the communication between two of your Navigator’s control modules. The most common causes of U0073 are … Read more

Lincoln Navigator P2276: B2S3 O2 Sensor Stuck Lean

P2276 is a general diagnostic trouble code.  It means that your Lincoln Navigator’s third (from the exhaust manifold) “bank 2” downstream oxygen sensor (behind the catalytic converter) is continuously sending voltage that indicates a lean air/fuel mixture.   Having this code does not necessarily mean that the vehicle is running lean (although it can, but … Read more

Lincoln Navigator P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Lincoln Navigator is a general diagnostic trouble code.  It means that the “bank 1” oxygen sensor (third oxygen sensor from the exhaust manifold, behind a catalytic converter) is continuously sending voltage that indicates a lean air/fuel mixture.   This does not necessarily mean that the vehicle is running lean (although it can, … Read more