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October 10, 2025 Service bulletin

This document will guide users through supplemental oil consumption diagnostics for 8.8L PSI gas and...

Ic Bus technical service bulletin IK1201521 for 2017-2022 Ic Bus Cesb.

Bulletin number
IK1201521
Component
Engine
Summary
This document will guide users through supplemental oil consumption diagnostics for 8.8L PSI gas and propane engines.

Owners of these vehicles have filed 6 complaints in the engine category.

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