Fuel System 1 Ol Fault

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Ok, i see it means closed loop fault, which looks like it could be any number of things. I am suddenly not showing fuel. Fuel system closed, that means the 02 sensor is in closed loop and the ecm sees its, at one time obd 1 and early model of obd ii used the coolant temperature ,. What are fuel sys 1 and 2?

Closed loop, but fault with at least one oxygen sensor. Fuel system was in open loop fault the whole way. I have an 04 mk6 2. 3l petrol transit. I had to replace the cylinder head gasket, timing chain tensioners , guides on timing chain and oil pump. How to use hp tuners to determine open loop fault. 0:24 add a channel called fuel system status channel 1 or channel 21:09 modifications that cause this probl. Here we take a look at the more common problems with your vehicles fuel system and how quickly they can be remedied. Fuel system 1 ol fault bmw. Open loop due to driving conditions. The baro readings on ford.