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It means barometric pressure out of range.

Could be caused by:

  • Bad vacuum line or connection between intake and sensor
  • Bad sensor
  • Bad connector or wire between sensor and computer
  • a plugged air filter
  • A plugged exhaust system
  • An engine that runs poorly enough to send this sensor out of range.

The sensor has an "allowable range" that it can be at for a running engine at certain throttle and loads. If it gets out of this range it will set the code

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15y ago

What else can I help you with?