Certified Solutions for Commercial Fleets

Optimize Emissions & Performance In London, ON

At London Custom Truck & Car Repair, we specialize in exhaust system maintenance and repairs for commercial fleets across London and Southwestern Ontario. Whether you manage delivery vans, heavy-duty trucks, or mixed vehicle fleets, our certified technicians ensure your operations stay compliant, efficient, and disruption-free.

Why Fleet Exhaust

Maintenance Matters

A well-maintained exhaust system isn’t just about compliance—it impacts your bottom line:

Avoid Fines

Meet federal/provincial emissions standards (DriveON Ontario, CARB, EPA)

Reduce Fuel Costs

Faulty exhausts increase diesel consumption by 10-15%

Extend Asset Life

Minimize engine wear and preserve resale value

Our Fleet Exhaust Services

Keep your fleet compliant, efficient, and road-ready with our expert exhaust solutions:

Exhaust Replacement: Repair or replace corroded pipes, mufflers, and manifolds.

Compliance Reporting: Digital records for audits, warranties, and insurance.

Diagnose Failed E-Test: Figure out why your vehicle failed and how to get it to pass.

How It Works

Schedule an Inspection

We assess your fleet’s exhaust systems for leaks, corrosion, or sensor issues.

Repair & Report

Receive quality grade repairs and digital records for audits.

Is Your Fleet at Risk?

How to Identify Exhaust Issues in Your Fleet

Exhaust system failures lead to costly downtime, safety risks, and compliance violations. Watch for these signs:

Unusual Noises

Rattling: Loose heat shields, broken hangers, or cracked pipes.

Hissing: Exhaust leaks near the manifold or catalytic converter.

Loud Roaring: Damaged mufflers or rusted exhaust components.

Performance Problems

Loss of Power: Blocked exhaust flow reduces engine efficiency.

Poor Acceleration: Backpressure from clogged DPFs or catalytic converters.

Increased Fuel Use: Declining mileage signals exhaust restrictions.


Visible Warnings

Check Engine Lights: Error codes like P0420 (catalyst efficiency) or P2002 (DPF issues).

Excessive Smoke: Black smoke (fuel combustion issues) or white smoke (coolant leaks).

Vibrations: Misaligned pipes or failing mounts affecting cabin comfort.

Schedule Your Exhaust
Inspection Today!

Contact Us

Cars & Trucks
Fleets

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Best Mechanics London Ontario

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(519) 452-3170
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