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1997 AUDI A8
3.7L V8•AWD•AUTOMATIC•gas
2 active safety recalls on this vehicle — view recalls
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Repairs0Labor547Torque3417Fluid8DTC638Battery1Maintenance0Recalls2
P1214high severityPowertrain

Cylinder 2 Fuel Injector Short to Positive

on 1997 Audi A8 3.7L V8 · AWD

What this code means

The ECU detected a short to positive voltage in the Cylinder 2 fuel injector circuit. The injector cannot be properly controlled, leading to a misfire or rich condition on Cylinder 2.

Symptoms

  • Check Engine Light
  • Misfire on Cylinder 2
  • Rough running
  • Rich exhaust
  • Reduced power

Common causes

  • Injector wiring shorted to power source
  • Faulty fuel injector Cylinder 2
  • Melted or damaged connector
  • Wiring harness chafing near heat source

Diagnostic steps

  1. Test injector resistance Cylinder 2
  2. Inspect wiring for shorts
  3. Check connector condition
  4. Swap injector to isolate fault
  5. Check for wiring routing near exhaust

Repair notes

Repair wiring short or replace the fuel injector on Cylinder 2.

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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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