Diesel Repair in Lakeland, FL
Diesel-specific diagnostics and repair for the major platforms. JD Mobile Tech serves Lakeland diesel pickup owners with honest pricing — and dealer-level expertise without dealer-level prices.
Diesel Specialists Serving Lakeland
Diesel pickups aren't gas trucks with bigger engines — they're a completely different platform. EGR systems, DEF systems, high-pressure fuel injection, turbochargers, glow plugs, and complex emissions controls all demand specialized knowledge. JD Mobile Tech is one of the few independent shops in the Lakeland area that genuinely specializes in Ford 6.0L, 6.4L, 6.7L PowerStroke, GM 6.6L Duramax, and Dodge/Ram Cummins ISB platforms.
We see Lakeland diesel owners every week who got hit with a dealer quote in the thousands for issues we can correctly diagnose and fix for a fraction of the cost. EGR cooler failures, injector cup leaks, FICM problems on 6.0L PowerStrokes, CP4 fuel pump issues on Duramax and 6.7L PowerStrokes, fuel rail and lift pump issues on Cummins — we've worked through all of it. We come to your home, ranch, jobsite, or commercial yard anywhere in Lakeland.
Most diagnostic and minor repair work happens right at your location. For full engine teardowns, transmission work, or anything that needs a heavy-duty lift, we schedule you at our Bartow shop down US-98. See our complete diesel repair service overview and our hub mobile mechanic Lakeland page.
Diesel Services We Offer in Lakeland
- Manufacturer-level diesel diagnostics
- EGR cleaning & repair
- DEF system service
- Glow plug & relay replacement
- Injector diagnosis & replacement
- Turbocharger service
- High-pressure fuel pump testing
- Lift pump & fuel filter service
- FICM testing (6.0L PowerStroke)
- Cooling system repair
- Oil cooler & head gasket diagnosis
- Pre-purchase diesel inspections
Platforms We Specialize In
Ford PowerStroke: 7.3L, 6.0L, 6.4L, 6.7L. Bulletproof packages, EGR deletes (off-road), injector replacement, turbo work, FICM repair.
GM Duramax: LB7, LLY, LBZ, LMM, LML, L5P. Injector cup repair, CP4 conversion conversations, fuel system service.
Dodge/Ram Cummins: 5.9L 12V, 5.9L 24V, 6.7L. Lift pump upgrades, head gasket diagnosis, killer dowel pin, injector replacement.
What Our Customers Say
Real reviews from real customers in Polk County
"I wish you all had more than 5 stars! John is very professional, straight to the point, and knows his stuff. Price wise is unmatched! The repair shop is spacious and clean. I found my trusted repair home for my vehicle!"
Briana
Recently posted
"If I could give 10 stars, I would. John came to me and repaired the A/C in my car. As a senior citizen, the convenience of having a great mechanic come to my home was over the top. Capable, honest, fair, professional yet friendly. Highly recommend!"
Marji
Recently posted
"Thank you John for always guiding us and advising us on maintaining our vehicles. What sets him apart is INTEGRITY. Thank you for helping us because of you my kiddos can get to school and us to work. I wish I could give 10 stars!"
Karen
Recently posted
"I am so happy I came here! John was so honest and respectful. He was able to diagnose my car and fix the issue within 2 hours. Go see John for your car needs! 😁"
Alexis
Recently posted
"JD replaced my brakes within 45 min. He was fast, respectful, and gave a fair price. 2 weeks later everything is still running great. I'll definitely return for any other work on my vehicle. 10/10."
Brandon
Recently posted
"I am delighted to offer my sincerest appreciation to Mobile Mechanic on D Go for their exemplary performance on my vehicle today. They maintained their promised arrival time, worked with remarkable efficiency, and presented fair pricing. For anyone in need of a trustworthy mechanic, I wholeheartedly endorse them."
Angelica
Recently posted
"John was very helpful, honest, friendly, communication was great, on time, and he got the job done in a timely manner. John took the time to walk me through my car issues and again after repairs. The issue I had was resolved. I will recommend his services."
Ro
Recently posted
"Honest, friendly, reasonable prices.. Everything was explained to me in a way that I could understand, and he was patient with me.. highly recommend"
Amanda
Recently posted
"The reviews were right! John was very helpful, he took time out of his day just to help me. Spoke to me honestly and made me feel confident in doing business at a mechanic. Looking forward to continuing to do business with this shop."
Paola
Recently posted
"Definitely will be back. Even though mine was just a simple repair. Labor rate was good."
Randy
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