LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Suzuki >> 2006 >> Swift + >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Controls - 1.6L (L91) - DTC P0016 To DTC P0404 >> DTC P0068 >> Circuit/System Testing
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit/System Testing

  1. Verify that none of the following conditions exist:
    • The air intake duct system for loose connecting clamps, cracks, or other damage
    • The air intake duct system for being collapsed or restricted possibly by a restricted air filter
    • A damaged throttle body blade or shaft
    • Splits, kinks, or improper connections at the vacuum hoses
    • Missing, restricted, or leaking exhaust components-Refer to Symptoms - Engine Exhaust .
    • Vacuum leaks at the intake manifold, throttle body, and injector O-rings
  2. If all conditions test normal, test the engine for a mechanical condition. Refer to Symptoms - Engine Mechanical .
scientia non olet · About LEMON Manuals