12 13 Notes on checking ignition system

2013 Mini Cooper Countryman, Standard TransSECTION 12 13 Notes on checking ignition system
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 BMW 540i, 2002 BMW 540i, 2001 BMW 540i, 2000 BMW 540i, and 1999 BMW 540i. However, it is still accessible from the selected car via links, so may be relevant.
NOTES ON CHECKING IGNITION SYSTEM

Troubleshooting
  1. -> Fault in fuel injection system
  2. -> Spark plug faults
  3. -> Ignition coil faults
  4. -> Further fault patterns with evaluation
  5. -> Additional fault notes for troubleshooting
Oscillograms
  1. -> Normal oscillogram
  2. -> Oscillograms of ignition coils from different manufacturers
Check
  1. -> Secondary signal for stationary ignition distribution
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.