Diagnostic Aids
WARNING: This page is about a different car, the 2000 Isuzu Hombre. However, it is still accessible from the selected car via links, so may be relevant.
Low AIR volume may also cause DTC P1415 and P1416. Inspect AIR system for pinched, kinked or restricted AIR pipes or hoses. Check system for leaks, restricted pump inlet and vacuum leaks to AIR shut-off valve. Inspect check valve.