Lean engine

20

Asked by Jul 13, 2017 at 10:58 PM about the 2009 Volkswagen Beetle

Question type: Car Customization

Will adding a Mass Air Flow Sensor Spacer and a cold air
intake cause my engine to go lean?

1 Answer

74,275

The spacer will have zero effect on air flow. The cold air intake may increase flow somewhat but the ECU should be able to compensate.

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