EGR & DPF Repair Services in Bakersfield, CA

Warning lights, poor mileage, or rough idling? These are red flags that your EGR and DPF systems may be experiencing issues. Luckily, at Delaney & Ahlf Diesel Service Inc., we provide a range of aftertreatment services so your operations continue running strong, no matter what!

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Truck Aftertreatment Repair In Bakersfield, CA

Your truck’s aftertreatment system plays a critical role in reducing harmful emissions and maintaining compliance with regulations. You can be fined over $45,000 per non-compliant vehicle if you breach these stringent regulations. At Delaney & Ahlf Diesel Service Inc., our comprehensive truck aftertreatment repair services include:

DPF Cleaning and Replacement: Whether it’s soot removal or a full DPF repair, we restore your Diesel Particulate Filter to optimal condition.

EGR System Repairs: Cleaning or replacing faulty EGR valves to eliminate carbon buildup and improve engine performance.

Forced Regeneration: We use advanced tools to force-clean your DPF filter when automatic regen fails.

DEF System Diagnostics: Addressing issues like DEF levels, sensor failures, and injection problems.

Aftertreatment System Diagnostics: Identifying problems across your EGR system, DEF systems, and DPF regeneration cycles.

Experience the Delaney & Ahlf Difference!

At Delaney & Ahlf Diesel Service Inc., we’ve built a reputation as Bakersfield’s trusted heavy-duty repair shop since 1959. Fleet managers and owner-operators rely on us for their EGR and DPF repair needs because we deliver:

Unmatched Expertise: With over 60 years of experience, we handle complex aftertreatment issues efficiently.

State-of-the-Art Facility: Our 15 repair bays allow us to work on multiple trucks, minimizing your downtime.

Customer-Centered Service: We provide transparent diagnostics, clear pricing, and updates, so you’re never left guessing.

Long-Lasting Results: From EGR cleaning to DPF regeneration, we use premium parts and proven techniques to restore performance.

Contact Us About Semi Truck DPF Filter Cleaning Now: Call 661-322-5064!

If you’re experiencing aftertreatment problems like clogged DPF filters or faulty EGR systems, then it's time to get in touch. Call our team at Delaney & Ahlf Diesel Service Inc. today at 661-322-5064 for professional heavy-duty EGR and DPF repair. Let us keep your truck running clean and strong!

FAQs

What Areas Do You Serve For Heavy-Duty EGR and DPF Repair?

We are located at 3901 Mercury Ave, Bakersfield, CA, near Hwy 99 and Bucko Boulevard. We proudly serve Bakersfield and surrounding areas, including Oildale, CA; Lamont, CA; Arvin, CA; Shafter, CA; Wasco, CA; Taft, CA; Delano, CA; Tehachapi, CA; Porterville, CA; Lindsay, CA; Corcoran, CA; Mojave, CA; California City, CA; Rosamond, CA; Lake Isabella, CA; Ridgecrest, CA; Buttonwillow, CA; McFarland, CA; Boron, CA; Frazier Park, CA; and Lebec, CA.

What Is The Lifespan Of A DPF?

The lifespan of a Diesel Particulate Filter (DPF) in heavy-duty diesel vehicles is typically 100,000 to 300,000 miles, depending on driving conditions, engine performance, and maintenance. Regular cleaning, proper fuel quality, and avoiding excessive idling can extend its lifespan. Replacement is required when regeneration no longer restores performance.

How Do I Know If My EGR Valve Is Bad?

Signs of a bad EGR valve in heavy-duty diesel vehicles include reduced engine performance, rough idling, increased fuel consumption, black smoke from the exhaust, and engine knocking. A check engine light may appear, and diagnostic tests can confirm EGR system faults. Prompt inspection is recommended.

How Can I Schedule EGR and DPF Repairs?

If your truck needs DPF cleaning or EGR repairs, call our team at Delaney & Ahlf Diesel Service Inc. at 661-322-5064 today! Our expert mechanics are ready to restore your aftertreatment system and keep your operations running strong and compliant, mile after mile!

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Our Repairs

Delaney & Ahlf Diesel Service Inc. specializes in tackling the toughest diesel repairs. Our expertise includes engine rebuilds, advanced diagnostics, and DPF and aftertreatment system repairs. With over 60 years in the industry, we deliver precise solutions for even the most complex issues.Whether addressing fuel system problems or performing a complete overhaul, our 15-bay facility and knowledgeable technicians ensure efficient and long-lasting repairs. Count on our transparent pricing and reliable service to keep you on the road.

Testimonials

Jason Weatherford

Great fast service. The men there are top notch we were in a bad spot and they got right on our issue and had us out the door highly suggest them.

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Dave Ballerstein

Been doing business with them for over 40yrs best damn shop in the country....and they work on the whole truck not just engines...Here to get a tune up and service and whatever else I need

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A.M. Phaneuf

You are not usually glad to spend money on repairs, but I was happy to have had them do the work. Great place. Good folks.

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Gildardo Rodriguez

Everyone I spoke with had that easy speaking way. Knowledgeable and great to get along with. Best service in town honestly.

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Loran Blasdell

Amazing shop with extremely friendly, knowledgeable, and helpful staff

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Michael Mauro

Fast, friendly and knowledgeable service. I definitely recommend giving this shop your business.

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Contact Us

3901 Mercury Ave, Bakersfield, CA

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661-322-5064
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Service: service@dnaparts.com
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Parts: parts@dnaparts.com

Hours

7:00 AM to 4:00 PM
Monday to Friday

Saturday: By Appt. Only