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Old 17-07-2008   #1
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airlock in fiat marea fuel system

i have an airlock in my marea fuel system. the tank was cleaned, fuel lines air blowed clean. it does about 20 miles local then cuts off but is does 80 mph on the motorway going to and back from gatwick airport ( 40 miles) it did'nt cut off then only when i got back local did it cut off. when it cuts off it will not start up easily but if i leave if for 10 or so minutes switched off it starts agian then drives ok. mechanic has bleeded the injectors and diesel pump. i was using boidiesel when injectors got blocked 1st time then i got some used cooking oil from local chippy the injectors got blocked within a few hours so had to clean out tank system. anybody has an idea how get rid of the airlock.
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Last edited by raf : 17-07-2008 at 15:47.
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Old 18-07-2008   #2
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Re: airlock in fiat marea fuel system

why do you think it is an airlock?

it sounds more like crank sensor to me.
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Old 24-07-2008   #3
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Re: airlock in fiat marea fuel system

it was the diesel pump after all. after changing it just done 140 miles so far no problems. moral of my story is not use too thick used cooking oil especialy lard and palm oil which freeze like soap when cold. just get bio diesel (B70 or blend 70/30 summer 50/50 winter) from ur local supplier.
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Old 28-07-2008   #4
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Re: airlock in fiat marea fuel system

rapeseed oil has a low viscosity, try that.
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