olig
Part of things
Posts: 150
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I've just bought a petrol bedford midi van that has a misfire and has a fuel smell from the exhaust. The van has only covered 1000 miles in the last decade and has a genuine 55000 miles on it, I think the fuel in it has gone off and isnt combusting properly. Its got half a tank of fuel of an unknown age, so far I've changed plugs, ht leads, dizzy cap and arm, with known working parts from my other van. Before I drain the fuel, all 35 litres, is it possible that old fuel wouldn't combust properly, cause a misfire and the fuel smell in the exhaust?. I'm also thinking the auto choke might have stuck, but the plugs are not sooty. Anyone got any ideas?
Cheers
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taurus
Posted a lot
Posts: 1,084
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I'd just add a few gallons of fresh fuel and see what kind of difference that makes. I've had a few with old fuel and it doesn't take too much fresh stuff to sort them out. Even had complete non-starters fire up after just one gallon of new fuel.
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olig
Part of things
Posts: 150
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I stuck £20 of premium in a couple of days ago, don't know if it made a difference. Does old fuel cause a fuel smell in the exhaust?
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taurus
Posted a lot
Posts: 1,084
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It does if it's causing a misfire. Funnily enough I just took my Viva for a blast for the first time on a dual carriageway in about 3 years - about 1/4 of a tank of old fuel, and it's misfiring on speed and acceleration. I need to get some fresh fuel into her and try again.
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olig
Part of things
Posts: 150
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Had another fiddle, drained the fuel and put fresh in but it still misfires. I'm starting to think its a problem with the automatic choke, or the stupid air pump/EGR emissions rubbish. Anyway felt like setting fire to it, so I handed it over to my tame mechanic. Should find out whats wrong today and hopefully have it fixed. Planning a 900 mile trip to Isle of Skye this week so I hope its an easy fix.
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