open bonnet AUDI A4 1999 B5 / 1.G APB Engine Secondary Air System Workshop Manual
Nothing was found :-(
Try to search something different in this manual:
recommended oil, ad blue, remote start, fuel fill door release, wiring, jacking points, drain bolt, mileage
Popular in this manual:
fuel pump, ECO mode, ignition, sensor, diagram, fuse box location, fuse box, battery location, catalytic converter, relay, wiring diagram, battery, fuel, light, air filter, ECU, heating, check engine, wiring, check engine light, key, display
Or view whole manual here: