Lincoln MKZ P1131:  Causes + Diagnosis

P1131 is a diagnostic trouble code that applies to vehicles manufactured by Ford, including the MKZ. Trouble codes that start with P1XXX were reserved for manufacturers. This code occurs when the upstream O2 sensor on bank 1 fails a diagnostic test twice in a row. P1131 Quick Facts DTC P1131 is usually caused by a … Read more

Lincoln Town Car P1131:  Causes + Diagnosis

P1131 is a diagnostic trouble code that applies to vehicles manufactured by Ford, including the Town Car. Trouble codes that start with P1XXX were reserved for manufacturers. This code occurs when the upstream O2 sensor on bank 1 fails a diagnostic test twice in a row. P1131 Quick Facts DTC P1131 is usually caused by … Read more

Lincoln LS P1131:  Causes + Diagnosis

P1131 is a diagnostic trouble code that applies to vehicles manufactured by Ford, including the LS. Trouble codes that start with P1XXX were reserved for manufacturers. This code occurs when the upstream O2 sensor on bank 1 fails a diagnostic test twice in a row. P1131 Quick Facts DTC P1131 is usually caused by a … Read more

Lincoln Aviator P1131:  Causes + Diagnosis

P1131 is a diagnostic trouble code that applies to vehicles manufactured by Ford, including the Aviator. Trouble codes that start with P1XXX were reserved for manufacturers. This code occurs when the upstream O2 sensor on bank 1 fails a diagnostic test twice in a row. P1131 Quick Facts DTC P1131 is usually caused by a … Read more

Lincoln Mark LT P1131:  Causes + Diagnosis

P1131 is a diagnostic trouble code that applies to vehicles manufactured by Ford, including the Mark LT. Trouble codes that start with P1XXX were reserved for manufacturers. This code occurs when the upstream O2 sensor on bank 1 fails a diagnostic test twice in a row. P1131 Quick Facts DTC P1131 is usually caused by … Read more

Lincoln MKS P1131:  Causes + Diagnosis

P1131 is a diagnostic trouble code that applies to vehicles manufactured by Ford, including the MKS. Trouble codes that start with P1XXX were reserved for manufacturers. This code occurs when the upstream O2 sensor on bank 1 fails a diagnostic test twice in a row. P1131 Quick Facts DTC P1131 is usually caused by a … Read more

Lincoln MKX P1131:  Causes + Diagnosis

P1131 is a diagnostic trouble code that applies to vehicles manufactured by Ford, including the MKX. Trouble codes that start with P1XXX were reserved for manufacturers. This code occurs when the upstream O2 sensor on bank 1 fails a diagnostic test twice in a row. P1131 Quick Facts DTC P1131 is usually caused by a … Read more

Mercury Grand Marquis P1131:  Causes + Diagnosis

P1131 is a diagnostic trouble code that applies to vehicles manufactured by Ford, including the Grand Marquis. Trouble codes that start with P1XXX were reserved for manufacturers. This code occurs when the upstream O2 sensor on bank 1 fails a diagnostic test twice in a row. P1131 Quick Facts DTC P1131 is usually caused by … Read more

Mercury Mariner P1131:  Causes + Diagnosis

P1131 is a diagnostic trouble code that applies to vehicles manufactured by Ford, including the Mariner. Trouble codes that start with P1XXX were reserved for manufacturers. This code occurs when the upstream O2 sensor on bank 1 fails a diagnostic test twice in a row. P1131 Quick Facts DTC P1131 is usually caused by a … Read more

Mercury Milan P1131:  Causes + Diagnosis

P1131 is a diagnostic trouble code that applies to vehicles manufactured by Ford, including the Milan. Trouble codes that start with P1XXX were reserved for manufacturers. This code occurs when the upstream O2 sensor on bank 1 fails a diagnostic test twice in a row. P1131 Quick Facts DTC P1131 is usually caused by a … Read more