MASS Module Training
Module 1 Quiz: Vehicle Inspection Requirements

Question 1 of 5.

Q1. What is the requirement upon re-test for all vehicles that failed the initial test with a catalyst efficiency DTC?

If the vehicle is less than 2001, any 2 monitors can be not ready or complete. If the vehicle is greater that 2001, any 1 monitor can be not ready.
The catalyst monitor must be ready.
The car must be driven at least 100 miles and all monitors must be ready.
The catalytic converter must be replaced and the catalyst monitor must be ready.