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Home >> Honda >> 1990 >> Civic Base, 2D Hatchback >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/O Codes >> Emission Test Failure >> Prelude
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Emission Test Failure: Prelude

Check MAP sensor, oxygen sensor, carburetor, air intake system, Electric Air Control Valve (EACV) and all other emission control systems.

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