First character indicates system type: P for power, B for body, C for chassis, U for electronics. Second character shows specific malfunction: 0 for common, 1-2 for automaker codes, 3 for reserved. Third character indicates breakdown type: 1-2 for air/fuel, 3 for ignition, 4 for emissions. Fourth and fifth characters correspond to sequence number of fault
Engine sensors convert various operating conditions into electrical signals. Sensors provide information to electronic control unit (ECU). System improves engine power, reduces fuel consumption and emissions
P2626 indicates open circuit in Bank 1 sensor 1's pumping current trim circuit. PCM detects sensor signal voltage outside expected range during deceleration. Wide-band sensors provide more accurate oxygen monitoring than narrow band sensors
Engine Light ON indicates P2626 fault code. Code affects Heated Exhaust Gas Oxygen Sensor Bank 1 Sensor 1. Repair time is 1.0 hour with moderate difficulty level
P0001-0007 codes indicate fuel volume regulator control problems. P0008-0009 codes cover engine position system performance. P0010-0029 codes deal with intake and exhaust camshaft position control