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