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1996 LEXUS LS 400

4.0L V8RWDAUTOMATICgas
Repairs0Labor498Torque2465Fluid7DTC654Battery0Maintenance0Recalls0
P1340high severityPowertrain

Igniter Circuit Malfunction No. 8

on 1996 Lexus LS 400 4.0L V8 · RWD

What this code means

The ECM is not receiving the IGF signal from ignition coil No. 8 on V8 engines.

Symptoms

  • CEL
  • Misfire cylinder 8
  • Rough idle
  • Power loss

Common causes

  • Faulty ignition coil
  • Damaged harness
  • Corroded connector
  • Faulty spark plug

Diagnostic steps

  1. Test coil resistance
  2. Swap coils
  3. Check spark plug
  4. Inspect wiring

Repair notes

Replace ignition coil No. 8.

Other Powertrain codes on this vehicle

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