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P1340

Igniter Circuit Malfunction No. 8

2012-2012 Lexus LFA 4.8L V10 πŸ‡©πŸ‡ͺ

High SeverityPowertrain

Description

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.

Related Codes

P0308Cylinder 8 Misfire Detected

Other Powertrain Codes

P1340 on Other Vehicles

Common Questions

What does code P1340 mean on a 2012-2012 Lexus LFA?

P1340 stands for "Igniter Circuit Malfunction No. 8". The ECM is not receiving the IGF signal from ignition coil No. 8 on V8 engines.

What are the symptoms of P1340 on a Lexus LFA?

Common symptoms of P1340 include: CEL, Misfire cylinder 8, Rough idle, Power loss.

What causes P1340 on a 2012-2012 Lexus LFA?

Common causes of P1340 include: Faulty ignition coil, Damaged harness, Corroded connector, Faulty spark plug.

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