P1131 Lincoln HO2S Circuit Low Variance Bank 1 Sensor 2
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1131 Lincoln Description
A Heated Exhaust Oxygen (HO2S) sensor indicating lean at the end of a test is trying to correct for an over-rich condition. The test fails when the fuel control system no longer detects switching for a calibrated amount of time.
Lincoln Vehicle:Lincoln Mark LT,Lincoln MKS,Lincoln MKX,Lincoln MKZ,Lincoln Navigator,Lincoln Navigator L,Lincoln Town Car,Lincoln Zephyr,