Fault code description - ME-SFI - hot film mass air flow sensor - AD07.61-P-4000-01B

1	Fault code	P0100
2	Fault storage Activation of malfunction indicator lamp for engine diagnosis (EURO3/4) or CHECK ENGINE (MIL)	after the end of the test period and faults after two successive driving cycles with faults
3	Frequency of the test	continuous
4	Checked signal or status	Limits for signal from hot film mass air flow sensor (air mass)
5	Fault setting conditions  Lower limit Upper limit Order of magnitude Test duration	at least 25 kg/h, if throttle valve angle is greater than 5° approx. 50 -1200 kg/h, map dependent on engine speed and throttle valve angle at idle speed approx. 6 - 48 kg/h (1.3 -1.8 V) approx. 5 s for each limit
6	Test prerequisites	- no fault in throttle valve adjustment