Sec. 11.21.02.05. Emissions Test Procedure

A. The emissions test shall be conducted in accordance with the procedures described in SAE J1667.

B. The general procedures for a valid emissions test in accordance with SAE J1667 are as follows:

(1) Before testing, verify that the emissions test equipment meets the requirements under Regulation .07 of this chapter;

(2) Before initiating the test, determine that all accessories and any engine braking devices are turned off;

(3) Determine that the engine speed governor is in proper operating condition by:

(a) Inquiring of the diesel vehicle operator whether the governor is in proper operating condition, and

(b) Instructing the operator, with the transmission in either neutral (with the clutch disengaged if so equipped) or in park, to gradually increase the engine speed; then, if the engine speed increases uncontrollably, the diesel vehicle operator shall be instructed to immediately release the accelerator pedal and fuel supply to the engine, and discontinue emission testing of any vehicle with a dysfunctional engine speed governor;

(4) Perform the emissions test on at least one exhaust pipe in accordance with SAE J1667.

C. The owner or driver of the diesel vehicle that receives an emissions test shall be provided with the results in writing, in percent opacity, upon completion of the emissions test in this chapter.