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Home >> Genesis >> 2021 >> G90 5.0 Ultimate, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Control System Diagnosis - 3.3L (8 Of 9)) >> DTC P2177-00: System Too Lean Off Idle Bank 1 >> System Inspection >> Check air leakage

Check air leakage

WARNING: This page is about a different variant/trim than selected.
  1. Visually and physically inspect the air and vacuum leaks in the areas listed below:
    • Vacuum hoses for splits, kinks and improper connections.
    • Throttle body gasket
    • Gasket between intake manifold and cylinder head
    • Seals between intake manifold and fuel injectors
    • Exhaust system between HO2S and three way catalyst for air leakage
  2. Has a problem found in this procedure?

    YES 

    NO 

    • Go to "Check the fuel line" as follows.