Diesel Services in East Texas
When your diesel truck works hard, you need an auto shop that works even harder. At Automotive Super Center, our ASE-certified diesel mechanics provide full-service diesel repair and maintenance for Duramax, Power Stroke, Cummins, and all domestic and commercial diesel vehicles. Drivers across Tyler, Longview, Kilgore, Henderson, and Mount Pleasant trust our team for reliable diagnostics, fast turnaround times, and honest recommendations that keep your diesel running its best.
Expert Diesel Repair & Maintenance You Can Trust
Diesel engines are built differently — and they require technicians who understand advanced systems, higher compression ratios, turbochargers, cooling systems, and heavy-duty performance. ASC’s team delivers high-quality diesel engine service using industry-leading diagnostic technology and premium replacement parts.
We specialize in:
✔ Diesel Engine Repair & Diagnostics
- Hard-start issues
- Loss of power
- Poor fuel economy
- Smoke concerns
- Overheating
- Misfires & rough idle
- Check engine light / warning lights
- High-pressure fuel system problems
✔ Diesel Oil Changes & Preventative Maintenance
Keep your diesel protected from heat, friction, and contaminants with routine diesel oil and filter changes designed for heavy-duty engines and Texas driving conditions.
✔ Fuel System Service (Including Diesel Injectors)
Clean, efficient fuel delivery is everything in a diesel engine.
We service and repair:
- High-pressure fuel pumps (HPFP)
- Diesel injectors
- Fuel contamination issues
- Water-in-fuel problems
- Fuel filters & fuel lines
✔ Turbocharger Service & Boost System Repairs
If you notice lag, lack of power, or excessive smoke, our technicians will inspect, diagnose, and repair your turbocharger, wastegate, intercooler, or boost leaks.
✔ Glow Plug Testing & Replacement
Starting problems? We test and replace failing glow plugs, relays, and control modules to ensure reliable cold starts and smooth idle.
✔ EGR, DPF & Emissions Components
We handle diesel emissions system service, including:
- EGR cleaning & repair
- DPF cleaning & replacement
- DEF system diagnostics
- Regeneration issues
- Sensor replacement
✔ Fleet Diesel Service
ASC proudly supports commercial and fleet customers with fast, consistent service, competitive pricing, and priority scheduling.
Why Diesel Owners Choose Automotive Super Center
At ASC, you’re not just another repair ticket. You’re a neighbor — and your truck is a major investment. That’s why we offer:
- ASE-Certified Diesel Mechanics
- Advanced diagnostics for all diesel platforms
- Competitive pricing and honest recommendations
- Fast turnaround to reduce downtime
- Friendly, local service backed by decades of experience
- Multiple East Texas locations for convenience
Whether you drive a Ford Power Stroke, Chevy/GMC Duramax, RAM Cummins, Sprinter van, or commercial diesel, our team has the skill and equipment to do the job right.
Signs Your Diesel Engine Needs Service
If you notice any of the symptoms below, schedule service before the problem becomes more costly:
- Hard starting
- Reduced power or acceleration
- Unusual knocking or engine noise
- Excessive black, blue, or white smoke
- Poor fuel mileage
- Hesitation or surging
- Warning lights or regen issues
- Strong fuel smell
ASC’s technicians will perform a full diagnostic check, explain the issue clearly, and recommend only what your vehicle truly needs.
Serving Diesel Drivers Across East Texas
Automotive Super Center proudly provides diesel repair and maintenance services to:
Tyler | Longview | Kilgore | Henderson | Mount Pleasant (Mount Pleasant Tire)
No matter where you’re driving in East Texas, reliable diesel service is just a short drive away.
Schedule Your Diesel Service Today
Your diesel works hard — we’ll help keep it running stronger, longer.
Book your appointment or stop by any Automotive Super Center location for dependable, high-quality diesel service.
