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HOMESERVICE MANUALSAUDI2001A6 AVANT QUATTROREPAIR AND DIAGNOSISENGINE PERFORMANCEIGNITION SYSTEMIGNITION/GLOW PLUG SYSTEM, GENERIC SCAN TOOL - 2.8L V6 AHA, ATQIGNITION IGLOW PLUG SYSTEMIGNITION, SERVICINGIGNITION SYSTEM, GENERAL NOTES
2001 Audi A6 Avant Quattro

Ignition system, general notes

2001 Audi A6 Avant QuattroSECTION Ignition system, general notes
  • This section deals specifically with ignition -related components. The other components of the injection and ignition system. See MULTIPORT FUEL INJECTION (MFI) .
  • For the electric components to work properly, a voltage of at least 11.5 V is required.
  • The battery must only be disconnected and connected with the ignition is switched off, since the Engine Control Module (ECM) can otherwise be damaged.
  • The Engine Control Module (ECM) is equipped with an On Board Diagnostic (OBD)
  • Components marked with * are tested via On Board Diagnostic (OBD). See DIAGNOSTIC MODE 3: CHECK DTC MEMORY .
  • It is possible that the control module will recognize a malfunction and store a DTC during some tests. Therefore the following work steps must be performed in the mentioned sequence after ending all tests and repairs.
    1. - Check DTC memory. See DIAGNOSTIC MODE 3: CHECK DTC MEMORY .
    2. - Erase DTC memory. See DIAGNOSTIC MODE 4: RESET/ERASE DIAGNOSTIC DATA .
    3. - For completion, generate readiness code. See READINESS CODE, GENERATING .

Safety precautions, see SAFETY PRECAUTIONS .

Test data, spark plugs, see TEST DATA, SPARK PLUGS .

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.