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Company Cases About Case Study: Troubleshooting BOSCH Diesel Injector 0445110777 (Series 110 1) with Cross Reference Numbers 445110519, 445110520

Case Study: Troubleshooting BOSCH Diesel Injector 0445110777 (Series 110 1) with Cross Reference Numbers 445110519, 445110520

2026-05-08
Latest company cases about Case Study: Troubleshooting BOSCH Diesel Injector 0445110777 (Series 110 1) with Cross Reference Numbers 445110519, 445110520

Case Study: Troubleshooting BOSCH Diesel Injector 0445110777 (Series 110 1) with Cross Reference Numbers 445110519, 445110520

Problem Description

A maintenance team reported issues with their marine vessels fitted with BOSCH diesel injector 0445110777. The equipment experienced low power, excessive smoke, high fuel consumption. Further inspection revealed the problem originated from the 110 1 series injectors, which also has cross-reference numbers 445110519 and 445110520 for different engine models.

Issues Identified

· Primary issue: spray pattern distortion affecting fuel delivery

· Secondary issue: worn out injector nozzles

· Secondary issue: fuel system contamination

Solution Applied

· service injectors and clean fuel system

· Clean fuel tank and fuel lines

· Replace fuel filters

· Perform engine compression test

Outcome

After the repair: boat regained full power. Fleet now maintains inventory of 445110519 and 445110520 as backup units for quick replacement when 0445110777 is temporarily unavailable.

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