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2007 LEXUS LS 460

4.6L V8•RWD•AUTOMATIC•gas
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Repairs0Labor548Torque3637Fluid7DTC855Battery1Maintenance0Recalls0
P1300high severityPowertrain

Igniter Circuit Malfunction No. 1

on 2007 Lexus LS 460 4.6L V8 · RWD

What this code means

The ECM is not receiving the IGF signal from ignition coil No. 1.

Symptoms

  • CEL
  • Misfire cylinder 1
  • Rough idle
  • Poor acceleration
  • Stalling

Common causes

  • Faulty ignition coil
  • Damaged coil harness
  • Poor connector
  • Bad spark plug

Diagnostic steps

  1. Test coil resistance
  2. Inspect connector
  3. Swap coils to test
  4. Check spark plug gap

Repair notes

Replace ignition coil No. 1.

Other Powertrain codes on this vehicle

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