My 8v XR2i-based H4 isn't starting, and it's a fuel problem which suddenly appeared last week. When you turn the ignition on, the pump buzzes for about a second; if you do this 3 or 4 times, then turn the engine over, it fires and runs for about 3 seconds, then stops as the fuel in the rail runs out. The return pipe to the tank is empty, and gurgles are heard if you disconnect it; similarly, there's a slight hiss when the petrol cap is removed. The fuel filter hasn't been changed in an unknown period, so that's first on my list, then a check of all the flexible hoses in the flow and return, although at a quick glance they're OK. - Is this problem likely to be a fuel pump failure? - Do any other pumps apart from the 8v 1600i XR2i pump work for the 1600 EFI engine? (eg the 1800 Si pump) - Can I get the pump/sender assembly out of the tank through the flap under the back seat, or do I need to drop the tank? (It's half full at the minute, so I'd rather not!) Could it be an airlock in the return pipe?
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