Ford Mondeo Part 3 The Fix High Pressure Pump Replacing(HPFP)P0087 Bodgit And Leggit Garage

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In this video we show you how to remove and install a high pressure pump on a Ford Mondeo 1.8 diesel lynx engine P0087

This is Part 3 to this Ford Mondeo Saga check out our other parts to this video

From the first part of this car we had no ignition lights would not start we fix that problem I'm come across another problem we diagnose that problem and here is the fix to the car I hope you are following me lol
In this video we show you how to remove and replace a high pressure fuel pump if you're having problems with your car starting if you're low on power or does not even start at all you might have a problem with your high pressure pump watch a video on how to diagnose if you do have a problem

High-pressure Fuel Pumps

Pumps for direct-injection engines - such as diesel engines and direct-injection gasoline engines - operate at a much higher pressure due to the engine’s specs and are usually mechanical pumps such as common rail radial piston pump, common rail two piston radial, inline pump, port and helix, and metering unit design. Radial piston pumps used in cars and trucks are fuel lubricated, this helps with keeping oil out of the high pressure fuel. Oil in the fuel can raise emissions and clog injectors. Many diesel engines are common rail, which means all the injectors are supplied by one pipe full of high pressure fuel supplied by the fuel pump. Common rails dampen the pressure fluctuations when fuel is used by each injector and pumped into the cylinder. Common rails also make it easier for the fuel pressure to be measured by one device instead of one per cylinder. Port and Helix (plunger type) high pressure fuel pumps are most commonly used in marine diesels because of their simplicity, reliability, and its ability to be scaled up in proportion to the engine size.

Port and Helix type pump

Port and Helix pumps are cam driven plunger type pumps that run at one-half engine rpm for four stoke engines and at the same rpm in the case of a two stroke. The pump is similar to that of a radial piston type pump but instead of a piston it has a machined plunger that has no seals. When the plunger is at top dead center, the injection to the cylinder is finished and it is returned on its downward stroke by a compression spring.[2] Because the height of the cam lobe cannot be easily changed, the amount of fuel being pumped to the injector is controlled by a rack and piniondevice that rotates the plunger allowing variable amounts of fuel to the area above the plunger. Inlet and outlet ports are located on two sides of the pumps cylinder walls allowing fuel to flow through the compression chamber until the plunger is driven up closing the two ports and starting the compression motion. The outlet port feeds back into the fuel tank/settler of the engine. The fuel is then forced through a stop check valve, to prevent backflow to the injector nozzle at pressures that can exceed 18,000 psi