Do you need a smog test for a diesel truck?
Do you need a smog test for a diesel truck? These include Test Only and State Referee inspections. Diesel Smog Test Exemption: The DMV does not require a California emission inspection (smog check) for the following types of vehicles: Any diesel car or diesel pickup truck which is 1997 model year or older. Any diesel truck which weights over 14,000 GVWR. What was the emissions limit for a Chevy truck in 1979? For 1979 through the current day, the dividing line between light and heavy duty emissions was raised from 6,000 lbs GVWR to 8,500 lbs GVWR, forcing more trucks...