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Case Study: Troubleshooting VOLVO Diesel Injector 1905001 (Series DAF) with Cross Reference Numbers 1661060, 1725282

2026-05-09

Problem Description

A fleet operator reported operational issues with their long-haul trucks equipped with VOLVO diesel injector 1905001. The equipment exhibited hard starting, rough idle, reduced fuel efficiency. After inspection, the problem was traced to the DAF series injectors, which have cross-reference numbers 1661060 and 1725282 for different VOLVO engine models.

Issues Identified

· Primary issue: nozzle coking and carbon deposits affecting fuel delivery and atomization

· Secondary issue: water contamination in fuel

· Secondary issue: clogged fuel filters

Solution Applied

· replace injectors and implement fuel quality control

· Clean fuel tank and fuel lines

· Replace primary and secondary fuel filters

· Perform fuel system pressure test

Outcome

After repair: fuel efficiency improved by 10%. The fleet now maintains inventory of 1661060 and 1725282 as backup units to minimize downtime when 1905001 is not immediately available.

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86-134-3456-6685

FLAT B5, 1/ F. , MANNING IND BUILDING, 116-118 HOW MING STREET, KWUN TONG, KL，Hongkong

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Case Study: Troubleshooting VOLVO Diesel Injector 1905001 (Series DAF) with Cross Reference Numbers 1661060, 1725282

Problem Description

Issues Identified

Solution Applied

Outcome

News

Cases

Cummins Diesel Injector

BOSCH Diesel Injector

DENSO Diesel Injector

Caterpillar Fuel Injector

VOLVO Diesel Injector

DELPHI Fuel injector