Diesel Pickup Truck Repair

Light Duty Diesel Repair

Ford, Chevy, and Dodge diesel pickups are our bread and butter. We come to your driveway, job site, or wherever you're stuck — no tow required.

Trucks We Work On

Specializing in the most common diesel pickups on the road today.

Ford Power Stroke6.7L, 6.4L, 6.0L, 7.3L
Chevy / GMC DuramaxLML, LBZ, LLY, L5P & more
Dodge / Ram Cummins5.9L & 6.7L Cummins

Common Repairs We Handle

From a check engine light to a full breakdown — we diagnose and fix it on the spot.

Engine Diagnostics

Full scan tool diagnostics for fault codes, derate conditions, and performance issues. We read it, explain it, and fix it.

DEF / DPF / EGR Service

Emissions system repairs including DPF cleaning, DEF injector service, EGR valve replacement, and SCR system diagnosis.

Injector & Fuel System

Fuel injector diagnosis, CP4/CP3 pump service, lift pump replacement, fuel filter service, and fuel line repair.

Turbocharger

Turbo boost diagnosis, variable geometry turbo service, intercooler inspection, and boost leak detection.

Cooling System

Radiator hose replacement, thermostat service, coolant flushes, water pump diagnosis, and overheating repair.

Electrical & Sensors

MAF, MAP, O2, NOx, and temperature sensor replacement. Wiring diagnosis and repair for common fault codes.

Brakes & Suspension

Brake pad and rotor replacement, caliper service, brake line inspection, and basic suspension component diagnosis.

Preventive Maintenance

Oil changes, fuel filter service, air filter replacement, and scheduled maintenance to keep your truck running strong.

Why Call JS Mobile Repair?

We come to you — no tow truck needed
Diesel-specific experience on all three platforms
Honest diagnosis before any work begins
Serving Round Rock, TX and surrounding areas
Fast response — minimizing your downtime
One call gets a tech dispatched to your location

Pickup Won't Start? We'll Come to You.

Don't waste money on a tow. Call us and we'll get your truck diagnosed and back on the road.

(512) 649-5516