Alfa Romeo 33 Workshop Manual page 20

No.
OPERATION
34 Check sensor OI oxygen contents in exhaüsl gas
35 Replace catalyst of exhaust gas
(1) A= 1000+1500 K m
(2) Check oil level every 500 km and when refuelling
(3) Check more frequently il driving in very dusty areas
(4) Check frequently when refuelling
(5) T be performed in any case every Iwo years
O
Km11000
A
10 20
30 40
(6) T be performsd more frequently when driving under particular stress codltions
O
(sport driving) or on hilly roads
T be performed in any case every 12 months
O
(8) T be performed in any case every 5 years
O
Operation relevant to emission control