.svg)
H&H Diesel Service in Seguin, TX offers expert fuel injector repairs for diesel trucks. Get precise diagnostics and clean, powerful fuel delivery—fast. If you’re dealing with hard starts, misfires, or poor fuel economy, call us today.
.svg)
Heavy-Duty Fuel Injector Repair in Seguin, TX
When your diesel injectors fail, everything from fuel economy to engine power suffers. At H&H Diesel Service, we offer fuel injector repair and replacement for heavy-duty trucks and equipment—done right, with exacting precision.
Our injector services include:
- Fuel injector testing and diagnostics
- Common rail injector replacement
- Injector resealing and O-ring replacement
- Fuel rail, line, and filter inspection
- Fuel system cleaning and maintenance
- Injector coding and reprogramming
- Cold start issue diagnosis
- Smoke, knock, and misfire troubleshooting
If you're dealing with rough idling, excessive smoke, power loss, or fuel system codes, our certified team will quickly find the cause and fix it with OEM-grade parts and accuracy.
Experience the H&H Difference
Injector Experts You Can Trust: Our techs are trained on high-pressure fuel systems, including common rail and HEUI setups, and use advanced tools for accurate diagnosis.
Fast Turnaround, No Compromises: With 6 bays and 8 technicians, we keep injector repairs moving—ideal for fleets and individual operators who can’t afford downtime.
Mobile Repairs: Can’t make it to the shop? We offer dependable roadside assistance and scheduled mobile repairs to a 25-mile radius of Seguin, TX.
Honest Diagnostics, Clear Pricing: We test before we replace, and only recommend what’s needed. No parts swapping, no inflated bills.
Warranty-Backed Work: Every injector job is backed by our 30-day workmanship warranty, and we support manufacturer part coverage for your peace of mind.
Contact Us About Diesel Injector Repair Now: Call 210-332-5821!
Fuel problems shouldn’t sideline your truck. Call H&H Diesel Service at 210-332-5821 for trusted diesel injector repair and get your performance and fuel efficiency back—fast.
FAQs
What Areas Do You Serve For Heavy-Duty Fuel Injector Repair?
We’re located at 7310 I-H 10 West, Seguin, TX 78155, near the I-10 intersection. We also proudly serve San Antonio, TX; Lockhart, TX; Luling, TX; New Braunfels, TX; San Marcos, TX; Cibolo, TX; Schertz, TX; Marion, TX; McQueeney, TX; Geronimo, TX; New Berlin, TX; Santa Clara, TX; and Lake Dunlap, TX.
What Are the Signs of a Bad Diesel Injector?
Watch for hard starts, excessive smoke, knocking, misfires, or poor fuel mileage. These are common symptoms of clogged or leaking injectors that need cleaning or replacement.
Can Fuel Injectors Be Repaired or Just Replaced?
Some injectors can be cleaned or resealed, but many high-pressure systems require full replacement for reliability. We’ll test your system and recommend the most cost-effective solution.
How Can I Get Heavy-Duty Fuel Injector Repair?
Call 210-332-5821 today to schedule your service. H&H Diesel Service offers precise injector diagnostics and repairs to keep your diesel truck running clean, efficient, and powerful.
Diesel Repairs That Last
We service a wide range of diesel-powered vehicles and equipment—including heavy-duty trucks, medium-duty box trucks, buses, RVs, heavy equipment, and commercial fleets. Whether it’s a Class 8 semi-truck or a bulldozer, we’ve got the tools and expertise to get it done. Our team knows diesel systems inside and out and delivers quality repairs that last.
.svg){kind=icon}
.svg)
Testimonials
Here's What our customers are saying, feel free to leave us a review!
Jack Stoner
