FixVault

Monitor Strategy

MONITOR STRATEGY

Related DTCs P0171: Fuel system lean (bank 1)
P0172: Fuel system rich (bank 1)
Required sensors/components Main:
A/F sensor
Related:
Engine coolant temperature sensor, mass air flow meter, crankshaft position sensor
Frequency of operation Continuous
Duration 10 seconds
MIL operation 2 driving cycles
Sequence of operation None