P0266 P0266 code definition Cylinder 2 Contribution/Balance Fault What the P0266 code means This diagnostic trouble code (https://www.yourmechanic.com/article/what-is-the-on-board-diagnostics-obd-system) indicates that the powertrain control module (https://www.yourmechanic.com/article/what-is-a-vehicle-s-electrical-control-unit) has detected that the reference voltage from the fuel injector on cylinder 2 has fallen...
P0266 means that the fuel injector on cylinder number two does not pass the self tests that the Electronic Control Unit performs. It is often accompanied by a code P0302 for an engine misfire. It could be that you have...
