Mercedes sprinter 312D w903 2.9d starting problem fixed

Описание к видео Mercedes sprinter 312D w903 2.9d starting problem fixed

Suddenly this reliable engine did want to start. Battery changed, fuel filter changed,

Bosch Esi diagnostic software used. Lots of small failures deleted. Showed 1223 failure. And that was the fuel pump electrical connection. Upon first inspection no problem. Then fuel above injectors checked, resistance on heating plugs checked, voltage On heating plugs checked, screw on fuel pump checked. All fuses checked. And finally again electrical connection to high pressure fuel pump/ HPFP. The red/black power supply cable to fuel pump broke off due to corrosion. Engine started spinning like a car again and will hopefully make lots of kilometers more.

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