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Komatsu — recall

Automotive · Japan · 2026-06-05
Origin: 日本

Komatsu was recalled in Japan on 2026-06-05. In shovel loaders, etc., due to insufficient design review, ① the fuel injector's spray nozzle wears out due to deterioration over time, increasing fuel injection volume, ② dust, etc., adheres to the inside of the variable turbo, reducing air supply efficienc…

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CountryJapan
CategoryAutomotive
Published2026-06-05
Country of origin日本
ManufacturerKomatsu Ltd.
Models affectedWA80-8, FH35, FH40, FH45, FH50, FH60, FH70, FH80
Units affected2420
DefectIn shovel loaders, etc., due to insufficient design review, ① the fuel injector's spray nozzle wears out due to deterioration over time, increasing fuel injection volume, ② dust, etc., adheres to the inside of the variable turbo, reducing air supply efficiency, and ③ dust that could not be captured by the air cleaner adheres to the sensing part of the MAF sensor*, leading to misrecognition of a higher air flow rate than actual. As a result, if use is continued, these defects will combine to reduce the air-fuel ratio, increase soot generation, and potentially cause PM (particulate matter) emis…
ComponentEngine (fuel injector, ECU (Engine Control Unit))
RemedyFor all vehicles, the following countermeasures will be implemented: ① Replace the fuel injector with an improved part. ② Rewrite the controller program with an improved program. ③ Add the operating method for MAF sensor automatic correction to the owner's manual. ④ Affix a nameplate to the air cleaner element cover to encourage the implementation of MAF sensor automatic correction.
Recall number5827
Official noticeView source ↗

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