Cleaning fuel-pump filters
The most common type of pump; if there is a sealing ring, check it. A blocked fuel-pump filter will cause the engine to cut out intermittently, particularly at high speeds, and it may stop altogether. Not all cars have a filter in the pump. Later models often have sealed, filterless pumps which do not need maintenance, and rely on filters elsewhere, mainly in fuel pipes or the petrol tank, or at the inlet to the carburettor float chamber. Many cars have a mechanical fuel pump driven off the camshaft. The…
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