Checking fuel pipes

Any fuel leak, however small, can cause a fire. Do not drive a car with a suspected leak until yo...

Cleaning fuel-pump filters

A blocked fuel-pump filter will cause the engine to cut out intermittently, particularly at high...

Checking a mechanical fuel pump

If a car stops and has not run out of petrol, check whether there is petrol in the carburettor....

How to overhaul a Stromberg carburettor

The Stromberg carburettor does not have a regular service schedule, but should be cleaned about ...

Removing a carburettor for cleaning

Over a period of time, dirt inevitably gets through the fuel filter of a carburettor, and chemic...

Checking and cleaning an SU carburettor

The SU carburettor is simple to strip. It has only one jet (except in a few special types) and...

Preparing for carburettor adjustment

The carburettor is often suspected of causing an engine to run roughly, when the real source of t...

Adjusting an SU carburettor

Unlike other types of carburettor, which have fixed jets, the SU has only one jet, so the mixtur...

Adjusting a Stromberg carburettor

The Stromberg CD carburettor, like the SU (See Adjusting an SU carburettor), is a constant-depre...

Adjusting a fixed-jet carburettor

A fixed-jet carburettor mixes air and fuel by means of several jets. The jets are small holes whi...

Adjusting an emission-control carburettor

Anti-pollution laws in many countries now limit the volume of poisonous carbon monoxide gas (CO)...

Checking and cleaning a fixed-jet carburettor

Fixed-jet carburettors are easily blocked by small dirt particles and chemical residues from fue...

Checking and cleaning a GM Varajet carburettor

The Varajet carburettor used on many Vauxhalls and Opels is a hybrid between fixed-jet and variab...

Checking a Ford VV carburettor

The Ford Variable Venturi carburettor is fitted to many small Fords. It looks like an ordinary f...

Checking and replacing a fuel sender unit

If the fuel gauge reads empty when you know there is fuel in the tank, the cause may be...

Servicing a mechanical fuel pump

Remove the top of the pump first. It is held on by a central bolt or screw, except on...

Servicing the fuel supply system

The fuel supply system is generally reliable and any problems that do occur are usually traceabl...