Powerstroke Diesel Engine Repair in
Nappanee, IN

We offer expert car care with a strong commitment to our community and exceptional customer service.

Powerstroke Diesel Engine Repair in Nappanee, IN


Warranty Logo | Locke Auto and Diesel Repair

Powerstroke diesel engines are known for their power, durability, and performance, especially in Ford trucks that take on heavy-duty work. At Locke Auto and Diesel Repair in Nappanee, IN, we specialize in diagnosing and repairing Powerstroke engines with the precision and expertise they demand.

Whether you're driving a 6.0L, 6.4L, or 6.7L model, our technicians understand the unique systems, common failure points, and best repair practices that keep these engines performing at their peak. We back our work with a 36-month/36,000-mile nationwide warranty, giving you peace of mind no matter where the road takes you. When your diesel engine shows signs of wear, power loss, or strange noises, don’t wait—bring it to our diesel technicians in Elkhart County who treat every truck like their own.

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Why Professional Diesel Engine Repair Matters


Delaying repairs on a diesel engine can lead to increased downtime and steeper costs. Early warning signs like smoke, rough idling, or fuel system warnings can escalate into major failures such as turbocharger damage, injector breakdown, or a seized engine. At Locke Auto, prompt diagnosis and repair mean saving you time and money, while preserving engine health under heavy loads and towing conditions.

Signs Your Powerstroke Diesel Needs Attention

Watch for these common signs:

  • Excessive black or white smoke, fuel or air imbalance
  • Rough idle or poor acceleration
  • Warning lights like Check Engine or MIL
  • Knocking or piston slap
  • Hard starting, especially in cold weather
  • Excessive blow-by or oil consumption

If you experience any symptoms, bring your truck to us immediately for full diagnostic service. Contact us online or call us at (574) 444-0783 to schedule an appointment.

Common Issues with Powerstroke Diesel Engines


Our team frequently addresses these model-specific problems:

Engine Model Common Issues
6.0L (2003-2007) High‑pressure oil system failures, cracked EGR cooler, leaking head gaskets
6.4L (2008-2010) Exhaust backpressure, DPF regeneration issues, turbocharger wastegate failure
6.7L (2011+) Injector failures, turbocharger bearing wear, EGR cooler clogs

At Locke Auto and Diesel Repair, we understand how vital your truck is to your work and daily life. That’s why we provide targeted, high-quality repair solutions that get you back on the road fast and keep your diesel engine running reliably for years to come.

Why Choose Locke Auto and Diesel Repair for Powerstroke Diesel Engine Repair in Nappanee, IN


Locke Auto and Diesel Repair is the trusted name in Powerstroke engine repair throughout Nappanee and nearby Bremen, Wakarusa, Goshen and Milford. We bring years of experience working specifically with Ford Powerstroke models, delivering personalized service that ensures quality results every time. Plus, our repairs are backed by a 36-month/36,000-mile nationwide warranty, so you can drive with confidence knowing we stand behind our work.

Our Diesel Repair Process

When you bring your truck in for repair, we begin with a comprehensive diagnostic assessment using factory-grade tools tailored for diesel systems. From there, we isolate the issue, whether it’s injector failure, oil cooler issues, or turbo malfunctions and develop a repair plan designed to restore full engine performance. Our process is transparent, efficient, and rooted in doing the job right the first time. 

Key Benefits of Choosing Locke Auto and Diesel Repair:

  • Powerstroke-specific diagnostics and repairs
  • 36-month/36,000-mile nationwide warranty included
  • Experienced diesel repair specialists
  • Locally trusted Nappanee shop focused on long-term engine health

FREQUENTLY ASKED QUESTIONS

Your Guide From Locke Auto and Diesel Repair


  • How long can a Powerstroke engine last?

    With proper maintenance, Powerstroke engines often exceed 300,000 miles with consistent care.

  • Is diesel engine repair expensive?

    Minor repairs (injector or turbo) are modest. Rebuilds are more costly but less frequent when preventative maintenance is followed. Schedule an appointment to assess your truck’s issues and prepare a quote for your repairs.

  • How do I know if my diesel needs rebuilding?

    High compression leak‑down, metal debris in oil, or persistent misfires often signal rebuild necessity. A thorough assessment by a diesel mechanic will be necessary to confirm it the issue can’t be solved with a repair and the engine needs to be fully rebuilt or replaced.

Powerstroke Diesel Engine Repair Near Me


Our ASE-certified team tackles everything from complex injector replacements to preventative maintenance, always using trusted parts and methods that meet or exceed OEM standards. With our 36-month/36,000-mile nationwide warranty, you're never left unprotected—no matter where the road leads.

Whether you're experiencing rough idling, power loss, or unusual engine behavior, our team is ready to help. We offer convenient scheduling, clear communication, and a reputation for doing things the right way. Don’t let a diesel issue slow you down, trust our auto repair shop to get your truck’s engine back to its best. Contact us today to schedule your repair and experience Nappanee’s trusted diesel experts for yourself.

Automotive Services

comprehensive Maintenance and Repairs in Nappanee, IN


At our auto shop, we provide essential services to keep your car safe and running smoothly. Our computer diagnostics quickly identify issues, ensuring precise repairs. We handle everything from minor fixes to major engine repairs, keeping your engine in top shape. Our brake repair services ensure your brakes work properly, prioritizing your safety on the road.

Computer

Diagnostics

Accurate computer diagnostics are essential to pinpointing your vehicle's issues quickly and efficiently. By accessing your car’s onboard computer system, we can detect problems early and prevent costly repairs down the line. Trust us to diagnose and resolve your car’s issues with precision.

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Engine Repair

Services

A well-maintained engine is the heart of your vehicle, ensuring it runs smoothly and efficiently. Our engine repair services tackle everything from minor fixes to major overhauls, restoring performance and extending your car’s lifespan. Get back on the road with confidence, knowing your engine is in expert hands.

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Brake Repair &

Services

Brakes are critical for your safety, and timely repair can prevent accidents and costly damages. Our comprehensive brake repair service ensures optimal stopping power by addressing worn pads, rotors, and fluid issues. Stay safe with well-maintained brakes that respond when you need them most.

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Our Location

OUR MECHANICS PROVIDE QUALITY AUTO REPAIR SERVICES IN Nappanee, IN


At Locke Auto and Diesel Repair, we proudly serve the Nappanee, IN community and surrounding areas with expert auto and diesel repair services. Conveniently located in the heart of Elkhart County, our shop is staffed by ASE-certified technicians who are dedicated to providing top-quality repairs and maintenance for both gas and diesel vehicles. We use only the best products, including BG, Bosch, and Jasper Engines & Transmissions, ensuring your vehicle gets the care it deserves. Plus, with our TechNet Professional Auto Service affiliation, we offer an industry-leading 36-month/36,000-mile nationwide warranty, so you can drive with confidence.


We are easily accessible for customers from Nappanee and nearby areas, making it convenient for you to stop by whenever your vehicle needs attention. Our commitment to delivering exceptional service extends to the following towns and communities:

  • Bremen, IN
  • Wakarusa, IN
  • Milford, IN
  • New Paris, IN
  • Syracuse, IN
  • Goshen, IN
  • Elkhart, IN
  • Dunlap, IN
  • Warsaw, IN
  • Etna Green, IN
  • Plymouth, IN
  • Bourbon, IN
  • Leesburg, IN
  • Mentone, IN
  • North Webster, IN
  • Middlebury, IN
  • Topeka, IN
  • Ligonier, IN
  • Kendallville, IN
  • Rochester, IN