Recently had emissions garage light appear, only modification prior to light was induction kit, so removed induction kit and put standard airbox back but still has the light. Changed maf for known working one but still the same. Checked all intake pipes are tight and air filter is new as well. No power loss, excess smoke or any sign to show a problem. Car is a pd140 with stage 1 revo, egr delete has been done but the light was turned off with map. Vcds shows as below
16485 - Mass Air Flow Sensor (G70)
P0101 - 000 - Implausible Signal
Freeze Frame:
RPM: 1512 /min
Torque: 0.0 Nm
Speed: 52.0 km/h
Temperature: 10.8°C
Absolute Pres.: 938.4 mbar
Mass Flow: 112.36 g/s
(no units): 0.78
Temperature: 84.6°C
Any ideas??