A stamped D-193-86 on an aftermarket catalytic converter identifies which CARB reference?

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Prepare for the California BAR Smog Technician Test. Review key topics with flashcards and multiple choice questions, each question includes hints and explanations. Get ready to ace your exam!

Multiple Choice

A stamped D-193-86 on an aftermarket catalytic converter identifies which CARB reference?

Explanation:
CARB compliance for aftermarket emissions parts is shown by a CARB Executive Order (EO) number stamped on the part. The D-193-86 stamp on a catalytic converter is that EO number, meaning this specific converter design has been tested and approved by CARB for use on California on-road vehicles. The EO confirms the part meets CARB emission standards and is legal to install for the designated vehicle configurations. It’s not simply about general environmental restrictions, engine tuning, or fuel consumption; it’s the official certification that links the part to CARB-approved performance and emission limits for on-road use.

CARB compliance for aftermarket emissions parts is shown by a CARB Executive Order (EO) number stamped on the part. The D-193-86 stamp on a catalytic converter is that EO number, meaning this specific converter design has been tested and approved by CARB for use on California on-road vehicles. The EO confirms the part meets CARB emission standards and is legal to install for the designated vehicle configurations. It’s not simply about general environmental restrictions, engine tuning, or fuel consumption; it’s the official certification that links the part to CARB-approved performance and emission limits for on-road use.

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