Hi recently I bought an 1999 au.. I was just wondering if anyone could answer my question.
The car has an after market lpg system, when the car is running on petrol it isnt to bad but as soon as its on gas its fluctuates in revs while in d or r at lights. My question is on the inlet manifold under the throttle body is a black sensor (I think) beside immediately beside it is a hose coming of it that has been blocked with a bolt and hose clamp does anybody know where this hose goes or what its for if I take the bolt out it wont run on gas thanks

pictures needed!

This is a pic off the net of a bare one ill upload more later today cheers

 

 

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This is a pic off the net of a bare one ill upload more later today cheers

used to go to the PCV. it gets disconnected otherwise LPG will go into the crankcase. car wont run on lpg when open as it leans out too much