1991 Ford Bronco Failed CA Smog Check Report - ASM Emissions Test Results (HC Fail)

This document is a California smog check (Smog Check) vehicle inspection report showing an overall result of Visual Inspection: Pass, Functional Check: Pass, and Emissions Test: Fail. The Emission Control Systems Visual Inspection/Functional Check Results section lists individual components, fuel evaporative controls, spark controls, oxygen sensor, catalytic converter, fuel injection, wiring to sensors, air injection, vacuum lines/sensors/switches, fuel cap (visual and integrity), ignition timing (10 BTDC), liquid fuel leak, fuel EVAP test, other emission components, and OBD system check, all of which passed. The ASM Emission Test Results table shows the vehicle failed on both the 15 MPH and 25 MPH tests: HC measured 143 PPM (max 85) and 128 PPM (max 67), and NO measured 488 PPM (max 807, within limit) and 419 PPM (max 746, within limit); CO measured 0.01% against 0.54/0.45% limits, so hydrocarbons (HC) were the failing readings, highlighted on the document. The report includes information about financial assistance for failed smog checks via the Bureau of Automotive Repair (www.smogcheck.ca.gov, 800.952.5210) in English and Spanish, plus station information: technician Madrid, Cesar/EO147001, software/EIS 1201/SX100210, station number TC227311.