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1997 AUDI A3

1.6L I4FWDAUTOMATICgas
Repairs0Labor472Torque2472Fluid6DTC638Battery0Maintenance0Recalls0
P0230high severityPowertrain

Fuel Pump Primary Circuit Malfunction

on 1997 Audi A3 1.6L I4 · FWD

What this code means

Malfunction in the fuel pump primary (relay/power supply) circuit.

Symptoms

  • Check Engine Light
  • No start condition
  • Engine stalling
  • Intermittent power loss

Common causes

  • Faulty fuel pump relay
  • Wiring damage
  • Fuel pump failure
  • Blown fuse
  • Inertia switch tripped

Diagnostic steps

  1. Check fuel pump fuse
  2. Test fuel pump relay
  3. Listen for fuel pump prime
  4. Test voltage at fuel pump connector
  5. Check inertia switch (Ford)

Repair notes

Check fuse and relay first. Replace fuel pump if no voltage issue found.

Other Powertrain codes on this vehicle

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