General Information

Engine Control
P0263 Cylinder 1-Injector Circuit Balance (Load Drop is Detected) - General Information

Component Location





General Description

Injectors jet out high pressure fuel caculated by ECM to each cyliders. Direct and separated injections improve fuel efficiency and engine power.

DTC Description

ECM sets P0263 when the compensated value of #1 injector calculated with amount of air is higher or lower than threshold.

DTC Detecting Condition





Specification





Diagnostic Circuit Diagram





Signal Waveform & Data




Fig.1) Normal waveform of ING at idle.