Honda Accord P1399:  Random Cylinder Misfire

P1399 is a Honda specific diagnostic trouble code.  It means that more than one of your Accord’s cylinders is misfiring (maybe just one, more on that below), and is most common fix is to adjust the valve lash or replace the bad ignition component. P1399 Quick Facts Most commonly caused by valves that are out … Read more

Honda P1399: Random Cylinder Misfire Detected

P1399 is a Honda specific diagnostic trouble code.  It means that more than one cylinder is misfiring, and is most commonly caused by valves that are out of adjustment, or ignition issues. P1399 Quick Facts Most commonly caused by valves that are out of adjustment or an ignition issue. P1399 is a drivability issue and … Read more

Lincoln Navigator P1131:  Causes + Diagnosis

P1131 is a diagnostic trouble code that applies to vehicles manufactured by Ford, including the Navigator. 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 MKT P1131:  Causes + Diagnosis

P1131 is a diagnostic trouble code that applies to vehicles manufactured by Ford, including the MKT. 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 Nautilus P1131:  Causes + Diagnosis

P1131 is a diagnostic trouble code that applies to vehicles manufactured by Ford, including the Nautilus. 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 MKC P1131:  Causes + Diagnosis

P1131 is a diagnostic trouble code that applies to vehicles manufactured by Ford, including the MKC. 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 Continental P1131:  Causes + Diagnosis

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