The wiring harness must not be installed near of spark plugs, ignition coil, distributor or any high voltage component. These components can cause voltage disturbances to the eFlexFuel control unit. Often, worn components also cause disruption than new ones.

This issue also applies to other retrofit electronics in the engine compartment.

Symptoms

  • Vehicle jerks while driving.
  • eFlexFuel App shows multiple fault codes.
  • Ignition interruptions in cylinders.
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