Condition for fault identification

Test condition:

The fault is recognized when the mixture for Bank 1 is too lean and the adaptation limit (30 %) is exceeded for 50 sec.

Potential problem source(s):

Defective intake-manifold pressure sensor before and behind throttle valve

• Leak in exhaust system
• Catalytic converter clogged
• Fuel injector defective

Terminal condition: none

Voltage condition:

• Electrical system voltage > 10 V

Temperature condition:

• Ambient temperature > -10 °C

Time condition:

• None

Other conditions:

• Engine on