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May 1, 2006 Service bulletin

Emission failure - non methane organic gas (NMOG) emission may exceed the standard due to insufficient...

Mazda technical service bulletin 3505H for 2001-2002 Mazda Miata.

Bulletin number
3505H
Component
Engine and engine cooling: exhaust system: emission control
Summary
Emission failure - non methane organic gas (nmog) emission may exceed the standard due to insufficient robustness of emission control logic and calibration of the powertrain control module (PCM) during the engine warm-up period after cold start. Tt

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