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EGR & DPF Repair in Santa Rosa, CA

Dealing with frequent regens, warning lights, or lost power? Our EGR and DPF repair services target emissions system problems that can keep your trucks off the road.

Get Your Emissions System Working Properly Again

Modern diesel emissions systems help control exhaust emissions, but problems with the EGR or DPF can quickly affect engine performance. Excessive soot buildup, failed sensors, restricted filters, or EGR system faults may trigger warning lights, derate power, reduce fuel economy, and cause frequent regeneration cycles.

Dynamic Auto & Truck Repair provides EGR and DPF diagnostics and repair for commercial trucks and fleet vehicles throughout Santa Rosa, Sonoma County, and Napa County. We troubleshoot the entire system rather than assuming a warning light indicates a single component has failed.

Our technicians can diagnose DPF restriction concerns, regeneration problems, EGR-related faults, sensor issues, wiring problems, and other issues affecting emissions system operation. Accurate testing is especially important because problems elsewhere in the engine can contribute to excessive soot production or repeated DPF issues. Finding the underlying cause helps prevent you from repeatedly addressing the same symptom.

Why Fleets Trust Dynamic

Emission problems can be difficult to diagnose, and unnecessary parts replacements can get expensive fast. Diagnostics are one of Dynamic Auto & Truck Repair’s biggest strengths, giving your fleet access to experienced troubleshooting when a problem isn’t immediately obvious.

As a family-run, fully mobile repair company, we bring diagnostic support directly to your fleet. We can also work alongside your in-house mechanics when they’re facing a difficult fault, an increasing workload, or a truck that keeps returning with the same issue.

Our approach is built around finding the actual problem and helping you make informed repair decisions. For fleet operators, that means less time chasing faults and more time keeping revenue-producing vehicles available for work.

Get Ahead of EGR & DPF Problems. Call 707-890-0485 Today. 

Repeated regens, emissions warning lights, and engine derates shouldn’t become part of your normal operation. If the same problem keeps returning, it’s time to determine why.

Call 707-890-0485 today to schedule EGR and DPF diagnostics and repair with Dynamic Auto & Truck Repair.

FAQs

What Are Common Signs of a Clogged DPF?

A restricted DPF may cause frequent regeneration cycles, reduced engine performance, increased fuel consumption, warning lights, or an engine derate. The symptoms and severity vary depending on the level of restriction and the vehicle’s emissions system, so proper diagnostics are important before deciding on repairs.

Why Does My Truck Keep Needing a DPF Regeneration?

Frequent regeneration can indicate excessive soot production, incomplete regeneration cycles, operating conditions that prevent passive regeneration, sensor problems, or another engine or emissions system fault. Diagnosing why soot is accumulating is important because repeatedly regenerating the DPF may not resolve the underlying problem, leading to rapid loading.

What Does the EGR System Do?

The exhaust gas recirculation system redirects a controlled amount of exhaust gas back into the engine’s intake. This lowers combustion temperatures and helps reduce nitrogen oxide emissions. Valves, coolers, sensors, and related controls must work correctly for the system to operate as designed.

How Do I Schedule EGR & DPF Repair?

If your truck has emissions warnings, frequent regens, reduced power, or recurring EGR and DPF faults, call 707-890-0485. Dynamic Auto & Truck Repair provides mobile diagnostic and repair support for commercial fleets throughout Santa Rosa, Sonoma County, and Napa County.

Repairs in Santa Rosa and Napa County

Complete Mobile Truck Repair Services

Whether you're dealing with an unexpected breakdown, warning lights, or scheduled maintenance, our experienced technicians provide comprehensive mobile repairs at your location. We diagnose problems accurately, repair them efficiently, and help keep your fleet operating safely and reliably.

Testimonials

What Our Clients Say About Us

This is my third time using DynaMic Auto Repair. Omar is very knowledgeable when it comes to truck repairs. He was able to diagnose and repair my vehicle quickly, without me having to leave my driveway.He does very good work and is conscientious in accomplishing the highest standard of performance.I am more than satisfied, and highly recommend him for all types of repairs. I will be using his services again.

Michael H.

I recently had the opportunity to work with Omar from Dynamic, and I was truly impressed. After being taken advantage of by my previous 'mechanic,' who had taken apart my car engine and put it back together incorrectly, Omar quickly identified all the issues and kept me informed throughout the entire process.He fixed all the problems, and now my car is running great! He was both friendly and professional, and the quality of his work was outstanding. I really appreciated his punctuality and reliability. Everything was completed with a high level of professionalism, and the prices were very reasonable for the quality of service I received. I highly recommend Omar to anyone in need of honest and skilled car care.Thank you so much!

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G. Robels

Omar arrived early. He immediatey went to the issue with the truck. When he was finished, the work was complete right at the rrival time of the appoinment. He is courteous and knowledgeable. I hope I will not need his services in the future but I do he will be the first called.

Richard H.

Great communication.... Really great!!!! Amazing business model. He brings the whole shop with him. He's expert at what he's doing, fast and provides an estimate and credit card services on the spot and then send you an immaculate invoice as well. I've used a few mobile repair people, but this guy is over the top and better than anything. You're gonna find in brick building.

Julie Z.

Great communication.... Really great!!!! Amazing business model. He brings the whole shop with him. He's expert at what he's doing, fast and provides an estimate and credit card services on the spot and then send you an immaculate invoice as well. I've used a few mobile repair people, but this guy is over the top and better than anything. You're gonna find in brick building.

Julie Z.

Very knowledgeable ,honest and great service .  Has worked on multiple vehicles for me and has always done an amazing job . Dont hesitate to reach out for all your car troubles ,you won’t be disappointed. Thank you again for all your hard work !

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Victor G.

DynaMic Auto Repair is top notch, Omar is professional, timely, he returns calls, he is a very knowledgeable mechanic. I would recommend him to everyone.

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Diana C.

Contact Dynamic Auto and Truck Repair

Need roadside assistance, have questions, or want to schedule your truck or trailer in for a service or repair? Get in touch!

Our Hours

Mon–Fri 7:30am-4:30pm

24/7 Roadside Assistance

Service Area

Santa Rosa, Rohnert Park, Windsor, Healdsburg, Petaluma, Sebastopol, Sonoma, Napa, American Canyon, St. Helena, Calistoga, and surrounding communities.

Dynamic Auto and Truck Repair's team member