Power Stroke Repair
From 6.0L, 6.4L, 6.7L, to 7.3L Power Stroke engines, we handle common issues including EGR problems, oil cooler failures, high-pressure oil pumps, and turbo failures with precision and expertise.
Cummins Repair
Whether you have a 5.9L, 6.7L, or newer Cummins, we perform complete repairs including injector replacement, turbocharger service, CP3 and CP4 pump repairs, and emissions system work.
Duramax Repair
Expert service on all Duramax engines (LB7, LLY, LBZ, LMM, LML, L5P, etc.). We commonly address injector failures, CP4 pump issues, turbo problems, and DEF system repairs.
Fuel System Repair
Complete fuel system diagnostics and repair including fuel pumps, fuel rails, lines, tanks, and filters. We solve hard-start issues, loss of power, and contamination problems.
Fuel Injector Replacement
We expertly replace and program fuel injectors on all major diesel platforms using high-quality OEM or upgraded components for restored performance and fuel efficiency.
Turbocharger Replacement
From diagnosis to installation, we handle turbocharger repairs and replacements, including VGT turbos, wastegate issues, and complete turbo system upgrades.
Head Gaskets
We perform professional head gasket repairs and full engine rebuilds when needed, using proper procedures to prevent recurrence on high-mileage and modified diesel trucks.
Advanced Diesel Diagnostics
Using the latest diagnostic tools, we quickly pinpoint issues with check engine lights, hard starting, excessive smoke, loss of power, and other diesel-specific problems.
Preventive Maintenance
Stay ahead of major repairs with our diesel-specific preventive maintenance programs, including regular service intervals tailored to towing, work, and performance use.
Why Choose DDX Motors for Diesel Repair
Trusted Local Diesel Specialists
At DDX Motors, we combine deep technical expertise with a customer-first approach that sets us apart from other shops. Our technicians are highly experienced with modern diesel engines and stay current on the latest diagnostic techniques and repair procedures. We take the time to thoroughly explain problems in plain language and offer practical solutions that balance performance, reliability, and cost.
Located in our clean, well-equipped Birdsboro facility, we treat every truck like it’s our own. Whether you drive a daily work truck, a weekend toy, or a heavily modified diesel, you can count on honest recommendations, quality parts, and workmanship you can trust. Many of our customers return again and again because they appreciate our transparency and the long-term reliability we deliver.
Diesel Repair FAQ
Hard starting, excessive smoke, loss of power, unusual noises, poor fuel economy, or check engine lights are common indicators that professional diesel repair is needed.
Timeline varies by job. Simple diagnostics and injector replacements can often be completed in 1–2 days, while major repairs like head gaskets may take longer. We provide realistic estimates upfront.