OUR SERVICES

At Diesel Fix, we offer mobile diesel repair that comes to you — roadside, job site, or your yard. We handle everything from quick fixes to major repairs, so you can stay focused on the job.

 

MOBILE DIESEL REPAIR

Breakdowns happen — we get you back on the road fast.
On-site diagnostics and repairs for light-duty and heavy-duty trucks.

DOT & 90-DAY INSPECTIONS

Stay compliant and avoid costly violations or downtime.
We perform thorough DOT and 90-day inspections for fleets and owner-operators, making sure your trucks meet safety standards and stay road-ready.

• Full vehicle inspections

• Brake, suspension, and air system checks

• Lights, tires, and safety components

• Detailed reports and recommendations

Perfect for fleets needing reliable, scheduled inspections.

 

ENGINE DIAGNOSTICS & REPAIR

Check engine light? Loss of power? Running rough?
We use professional diagnostic software to find the problem and fix it right the first time.

 

AFTERTREATMENT & EMISSIONS (DPF / SCR / DEF)

Dealing with regen issues or derates?
We diagnose and repair DPF, SCR, and DEF systems to keep your truck running strong and compliant.

 

PREVENTIVE MAINTENANCE (PM SERVICE)

Oil changes, filters, and full inspections to keep your truck reliable and avoid costly breakdowns.

 

ELECTRICAL & WIRING REPAIR

From sensor issues to wiring faults — we track it down and fix it without the guesswork.

 

AIR BRAKE & AIR SYSTEM REPAIR

Low air? Slow build? Leaks?
We diagnose and repair compressors, dryers, valves, and air lines to keep your system safe and working properly.

 

COOLING SYSTEM REPAIR

Overheating, leaks, or pressure issues — we handle radiators, thermostats, water pumps, and more.

 

FUEL SYSTEM REPAIR

Hard starts, low power, or contamination issues — we service injectors, pumps, and fuel systems the right way.

 

WHY CUSTOMERS CALL DIESEL FIX

• We come to you

• No guesswork — real diagnostics

• Fast response times

• Honest work, done right

 

CALL NOW — WE’LL COME TO YOU AND GET IT FIXED