{"id":"mech-emissions-check","category":"mechanic","name":"Exhaust emissions check","description":"Measuring what comes out of the exhaust with a gas analyser on a petrol engine, or a smoke-opacity meter on a diesel, to see whether the car would pass the emissions part of the ITV and to help find a fault such as a rich mixture, a worn catalyst or a smoking engine. Fixing what the test finds is listed under the matching repair.","aliases":["emissions test","exhaust gas analysis","smoke opacity test","comprobación de gases","análisis de gases","prueba de opacidad","проверка выхлопных газов"],"vehicle":["auto"],"modes":["in-shop"],"typicalDurationMin":30,"status":"active","_meta":{"sourceHash":"sha256:97669fe40b66f4020df4b45b206ba16deee543d70ba2ff29918277b3303db28e","locale":"en","fields":{"name":"human","description":"human","aliases":"human"}},"generatedAt":"2026-10-13T19:49:07.661Z"}