Blue Removal

July 4, 2025

How to Fix DEF / AdBlue Problems on Your CAT Excavator (with 4.4 Engine)

CAT excavator DEF and AdBlue problems can cause warning lights, SCR fault codes, reduced engine power and expensive downtime. If...

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How to Fix DEF / AdBlue Problems on Your Hitachi Excavator (ZX130 and More)

Hitachi excavator DEF and AdBlue problems can cause SCR warnings, NOx sensor faults, reduced engine power and costly downtime. If...

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