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Powertrain fault code

P0362: Ignition Coil "L" Primary/Secondary Circuit

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Often comes with a misfire. If the engine light flashes, stop driving.

What P0362 means

The engine computer has found an electrical fault in an ignition coil circuit.

Common causes

  • Failed ignition coil
  • Damaged coil wiring or connector

What to check first

  1. Check the coil connector.
  2. Swap coils between cylinders to see whether the fault follows the coil.

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Read your car's codes yourself, free

Plug a cheap ELM327 OBD-II adapter into the port under the dashboard and open the scan tool: Chrome or Edge on a computer with a USB adapter, or Chrome on Android with a Bluetooth LE adapter. It reads and clears codes and shows emissions readiness. It does not work on iPhone.

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Need help with P0362?

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Related codes

P0351P0352P0353P0354P0355P0356P0357P0358

General guidance only, not a diagnosis. A qualified mechanic should confirm the cause before you replace parts.