tdi injection pump head seal replacement 096400-0143 Diesel Engine

Body Material: Steel
Certification: TS16949
Cylinder: Single Cylinder
Head Rotor: 7139-360u
Ve Pump: 7139-764s
Specification: TS16949
HS Code: 84129090
Fuel: Diesel
Component: Ve Pump Parts
Stroke: 4 Stroke
Delphi Nr.: 7139-235g
Rotor Head: 7139-709W
Origin: China
Both pumps create negative pressure to draw the fuel through the lines. However, the low pressure between the pump and the fuel tank, in combination with heat from the engine and/or hot weather, can cause the fuel to vaporize in the supply line. This results in fuel starvation as the fuel pump, designed to pump liquid, not vapor, is unable to suck more fuel to the engine, causing the engine to stall. This condition is different from vapor lock, where high engine heat on the pressured side of the pump (between the pump and the carburetor) boils the fuel in the lines, also starving the engine of enough fuel to run. Mechanical automotive fuel pumps generally do not generate much more than 10–15 psi, which is more than enough for most carburetors.

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