Professional DOC Cleaning Service for Diesel Trucks (Diesel Oxidation Catalyst Cleaning & Testing)
Restore proper regeneration performance and protect your emissions system with our Professional DOC Cleaning Service. At DPF Discounter, we provide specialized diesel oxidation catalyst (DOC) cleaning and testing to ensure your aftertreatment system operates efficiently and reliably.
What is a DOC and Why It Matters
The DOC (Diesel Oxidation Catalyst) is a critical component of your truck’s aftertreatment system. It is responsible for converting exhaust gases and generating the heat required for DPF regeneration.
When the DOC becomes contaminated or restricted:
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It reduces heat output needed for regen
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Causes incomplete or failed DPF regenerations
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Leads to frequent regens, fault codes, and derates
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Can result in premature DPF failure or clogging
👉 A clean DOC is essential for proper DPF performance and overall emissions system health.
What’s Included in Our DOC Cleaning Service
✔ Professional DOC inspection and condition evaluation
✔ Removal of soot, ash, and contamination buildup
✔ Advanced thermal cleaning process
✔ Airflow and restriction testing
✔ Identification of internal damage or catalyst failure
✔ Optional diagnostic support for related fault codes
Benefits of DOC Cleaning
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Restore proper heat generation for DPF regen
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Improve overall aftertreatment system efficiency
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Reduce frequent regens and downtime
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Prevent repeat DPF clogging issues
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Extend the lifespan of your DOC and DPF system
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Maintain EPA & CARB emissions compliance
Who This Service is For
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Trucks with poor or incomplete regenerations
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Vehicles experiencing frequent DPF issues
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Fleets performing preventative emissions maintenance
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Owner-operators wanting to avoid costly system failures
Why Choose DPF Discounter
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Experts in diesel aftertreatment systems (DOC, DPF, SCR, DEF)
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Professional-grade cleaning and testing equipment
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Accurate diagnostics to prevent misdiagnosis and repeat repairs
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Located in Canton, Ohio, serving fleets nationwide
Important Notes
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Walk-ins are welcome, however, appointments are highly encouraged to minimize wait time
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This service is performed at our facility in Canton, Ohio
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Removal and installation are not included unless requested as an additional service
Book Your DOC Cleaning Service Today
Ensure your truck regenerates properly and avoid unnecessary downtime with our expert DOC cleaning and testing service.
