Ford F150 P1131:  Causes + Diagnosis

P1131 is a diagnostic trouble code that applies to vehicles manufactured by Ford, including the F150. 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

Ford Mustang P1131:  Causes + Diagnosis

P1131 is a diagnostic trouble code that applies to vehicles manufactured by Ford, including the Mustang. 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

Ford Taurus P1131:  Causes + Diagnosis

P1131 is a diagnostic trouble code that applies to vehicles manufactured by Ford, including the Taurus. 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. src=”https://www.700r4transmissionhq.com/wp-content/uploads/2018/09/Ford-Taurus.png” alt=”P1131 Ford Taurus” width=”593″ height=”306″ class=”alignnone size-full wp-image-4324″/> P1131 … Read more

Ford Fusion P1131:  Causes + Diagnosis

P1131 is a diagnostic trouble code that applies to vehicles manufactured by Ford, including the Fusion. 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

Ford Mondeo P1131:  Causes + Diagnosis

P1131 is a diagnostic trouble code that applies to vehicles manufactured by Ford, including the Mondeo. 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

Ford Focus P1131:  Causes + Diagnosis

P1131 is a diagnostic trouble code that applies to vehicles manufactured by Ford, including the Focus. 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

Ford Fiesta P1131:  Causes + Diagnosis

P1131 is a diagnostic trouble code that applies to vehicles manufactured by Ford, including the Fiesta. 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

Ford Ka P1131:  Causes + Diagnosis

P1131 is a diagnostic trouble code that applies to vehicles manufactured by Ford, including the Ka. 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

Ford P1131 Diagnosis

P1131 is a diagnostic trouble code that applies to vehicles manufactured by Ford. 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 bad oxygen sensor, … Read more

Lincoln Navigator P1151:  Causes & Diagnosis

P1151 is a diagnostic trouble code that applies to vehicles manufactured by Lincoln, in this case the Navigator.  This code occurs when the upstream O2 sensor on bank 2 fails a diagnostic test twice in a row. DTC P1151 is usually caused by a bad oxygen sensor, fuel injector, or vacuum leak.  But, there can … Read more