Wesley brings 25+ years of hands-on mechanic experience directly to your location. No shop markup, no waiting rooms — just expert diagnostics and honest repair work, done right where you are.
25+
Years Experience
Wesley's expertise covers gasoline, diesel, heavy trucks, farm and construction equipment — from a check engine light to a Cummins overhaul.
60
Mile Service Radius
We come to you — at home, at work, on the job site. Full mobile service across the region from our base in Lucedale, MS.
OE
Level Diagnostics
Professional bidirectional scan tools — not a basic code reader. We diagnose every module in your vehicle, not just the engine.
The People Behind the Work
Meet Wesley & Racheal Sims
J&W is a Christian husband-and-wife operation — built on faith, 25+ years of hands-on expertise, and a genuine commitment to taking care of people. You're not calling a shop. You're calling family.
Wesley Sims
Lead Mechanic & Diagnostician
With 25+ years of hands-on experience across gasoline, diesel, heavy trucks, farm and construction equipment, Wesley is the reason customers call back. He's the mechanic other mechanics call. Diagnostic-first, thorough, and committed to getting it right the first time — every time. He comes to you, not the other way around.
Racheal Cooley Sims
Operations & Customer Relations
Racheal brings 20+ years of business development, operations, and client relationship experience to J&W. She's the voice you hear first — coordinating schedules, following up, and making sure every customer feels genuinely cared for from first call to final handshake. She built the operational foundation that lets Wesley focus on what he does best. Between them, nothing falls through the cracks.
What We Do
Service Catalog
Tier 1 services can be requested directly. Tier 2 repairs are estimated per vehicle — contact us and we'll confirm scope and pricing before scheduling.
🔧
Service Call + Diagnostic
From $250 ($125 service call + $125 diagnostic)
We come to you, run a full all-system diagnostic with professional bidirectional tools, and get to the root cause — not just the code. Includes up to 1 hour of labor if a repair can be completed on-site (not guaranteed — subject to scope and parts availability).
Full-service call for diesel vehicles, commercial trucks, and farm and construction equipment — including all-system bidirectional diagnostic coverage. Includes up to 1 hour of labor if a repair can be completed on-site (not guaranteed — subject to scope and parts availability).
Before you sign, let us check it out. Full electronic sweep of all modules — not just engine codes — plus mechanical inspection and written summary. Available for gas, diesel, and heavy trucks.
Truck in limp mode? DPF light won't clear? We come to you, diagnose the DPF system, execute a controlled forced regen cycle, and verify restoration with live data. No tow truck needed.
TPMS relearn, throttle body calibration, injector coding, ABS electronic bleed, battery registration, steering angle reset, EPB service, and more — performed with professional bidirectional tools. Standard service call fee applies in addition to service rate.
Fluid services, AC repair, tune-ups, engine repair, and more. All repair work is estimated per vehicle with transparent labor and parts pricing. Contact us to discuss your vehicle's needs.
Most mobile mechanics carry a basic code reader. J&W operates two professional-grade bidirectional scan tools — the same level of equipment used by dealerships, delivering capabilities most independents simply cannot offer.
Gasoline & Light Duty
Professional Bidirectional Diagnostics
OE-level bidirectional system control
All-system coverage — every module, not just engine
Active component testing without a road test
TPMS relearn & sensor registration
Throttle relearn, injector coding
ABS electronic bleed, battery registration
Global vehicle coverage
Heavy Duty & Diesel
Commercial-Grade Diesel Diagnostics
Full-system bidirectional coverage for semis & commercial trucks
DPF forced regeneration & reset
ECU coding capability
DEF & NOx system diagnostics
Cummins, Detroit, CAT, Volvo, Paccar
EGR, turbo, aftertreatment system coverage
40+ reset & relearn functions
What Customers Say
Real Reviews. Real People.
We let the work speak for itself. These are verified Google reviews from J&W customers.
★★★★★
"They were here in a timely manner, did not overcharge, and were very polite and professional. The car I was driving also needed something — and it was fixed on the same appointment day. No trouble at all with these guys!!"
— Debbie McCall · Mobile Service · April 2026
★★★★★
"Showed up and was quick to diagnose the problem. Was running a little behind but contacted me to let me know — which is a big plus in my book."
— Marstar P · Diagnostics · 2024
★★★★★
"Knowledgeable mechanic, courteous manners & overall pleasant experience. Used them for a complete engine rebuild. Will definitely use them again."
— James Glaskox, Local Guide · Full Engine Rebuild · 2024
★★★★★
"I'm a single mother of 4 small children. I thought I was going to have to buy another car — they came to me and took great care of us. So grateful."
— Ashley Lowe · Mobile Service · 2024
★★★★★
"The mechanic came to my home to fix my car and told me exactly what was going on with it. Will definitely call them again."
— Anita McGovern · Mobile Service · 2023
★★★★★
"Got our bus fixed in a timely manner. Definitely recommend. Have a blessed day."
We serve a 60-mile radius from Lucedale, MS (ZIP 39452) — including Hurley, Vancleave, Moss Point, Gautier, Ocean Springs, Citronelle, and Mobile, Alabama. Out-of-radius requests are billed at $0.50 per mile beyond the 60.
Is J&W a Christian-owned business?
Yes. J&W is a Christian, husband-and-wife operation. Our work is rooted in faith and a genuine commitment to taking care of people. We honor the Sabbath, which is why we're closed every Saturday.
Do you come to my location?
Yes — we're a fully mobile shop. We come to your driveway, workplace, jobsite, or wherever your vehicle is, within our 60-mile service radius from Lucedale.
Can I bring my vehicle to you instead?
No. We are not set up to receive vehicles at our location. J&W is fully mobile — we come to you within the 60-mile service radius.
What kinds of vehicles do you work on?
Gasoline cars and light trucks, diesel pickups, heavy trucks and semis, plus farm and construction equipment. We carry professional bidirectional diagnostic tools for all-system coverage on each.
How much does a diagnostic cost?
Our gasoline service call + diagnostic starts at $250 ($125 service call + $125 diagnostic). Diesel and commercial starts at $300. Both include up to 1 hour of on-site labor if no additional parts are needed and the scope allows the repair to be completed during the same visit.
Will the service fee be waived if you need to come back?
We sometimes offer customer loyalty discounts for return visits. Reach out and we'll work with you.
What are your hours?
Monday through Thursday, 8 AM to 6 PM. Friday 8 AM to 3 PM. Sunday by appointment only, 3 PM to 5 PM. Closed Saturday in observance of the Sabbath.
How do I book a service?
For diagnostics and inspections, book directly on Setmore — it goes straight to Wesley's calendar. For repair estimates, relearns, DPF regens, or specialty services, use the request form on this site or text us at 601-508-2391.
What forms of payment do you accept?
Cash and Cash App.
Preventive Maintenance Program
Scheduled Maintenance. Coming Soon.
We're building a preventive maintenance membership program — scheduled visits, priority booking, and member pricing. Help us shape it by telling us what matters most to you.
What Would You Value Most in a PM Program?
Pick everything that applies. Your input directly shapes how we build this — and we'll reach out when it launches.
Leave your name and number and we'll contact you first when the program launches.
You're on the list — we'll be in touch. Be blessed. ✓
Request Service
Book a Service Call or Request an Estimate
Two ways to get on Wesley's calendar. Pick a time on Setmore for diagnostics and inspections — it goes straight to his schedule. For repair estimates, relearns, DPF regens, and specialty services, use the form below — Racheal will text you to confirm scope and pricing.
We serve a 60-mile radius from Lucedale, MS (ZIP 39452) — including Hurley, Vancleave, Moss Point, Gautier, Ocean Springs, and Citronelle and Mobile, Alabama. Out-of-radius requests cannot be accommodated.
Diagnostics & Inspections — Book Online: Pick a time on Setmore — straight to Wesley's calendar. Flat-rate, includes up to 1 hour of labor where applicable.
Repair Estimates & Specialty Services — Request Form: Use the form below to submit your request. We'll confirm scope and pricing before scheduling. All estimates valid for 15 days.
Out-of-Radius: 60-mile radius standard. Beyond radius at $0.50/mile — contact us to discuss.
Ways To Book
Pick the path that fits — Setmore for direct booking, the form below for custom requests, or call/text anytime.