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Subaru Legacy Owners Manual: If the light is blinking

If the light is blinking while driving, an engine misfire condition has been detected which may damage the emission control system.

To prevent serious damage to the emission control system, you should conform to the following instructions.

  •  Reduce vehicle speed.
  •  Avoid hard acceleration.
  •  Avoid steep uphill grades.
  •  Reduce the amount of cargo, if possible.
  •  Stop towing a trailer as soon as possible.

The CHECK ENGINE warning light/malfunction indicator light may stop blinking and illuminate steadily after several driving trips. You should have your vehicle checked by an authorized SUBARU dealer immediately.

If the light illuminates constantly
If the light illuminates constantly while driving or does not turn off after the engine starts, an emission control system malfunction has been detected. You should have your vehicle checked by ...

Charge warning light
If this light illuminates when the engine is running, it may indicate that the charging system is not working properly. If the light illuminates while driving or does not turn off after the engi ...

Other materials:

Inspection
1. Check that the front oxygen (A/F) sensor has no deformation, cracks or other damages.2. Measure the resistance between front oxygen (A/F) sensor terminals.Terminal No.Standard3 and 42.0+0.42 −0.2 - (when 20°C (68°F)) ...

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