Tiburon L4-1.8L (1997)
DTC P0135, P0141 - Heated Oxygen Sensor
DTC P0133 - Heated Oxygen Sensor
HINT:
When the lean/rich period is above 2.6 seconds in the condition that fully warm-up engine is 2,000 - 3,000 r.p.m and engine is above middle load.
