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My wife's K12 1.2s has had a stalling and idling problem for a while now. Diagnostics showed no faults logged and cleaning the inlet and throttle had no effect. It turned out that one of the exhaust gas sensors, although reading correctly at medium to high engine speeds, was reading very low...

What are the sensor inputs for the K12 1.2 tickover? I've been told that there's no MAF, but it can't be completely open-loop, so there must be some sensors. Presumably there are: Throttle position sensor Exhaust Oxygen Intake temperature Coolant temperature Anything else? Which...

My wife's Micra is suffering the poor idle and stalling problem. On ford and VAG cars I've cleaned the MAF in the past which has helped. The Micra inlet is a bit awkward to get into! I was expecting to see a Platinum wire in the inlet duct and went as far as removing the throttle body...