Diagnostics & check-engine
Computer diagnostics to pinpoint the fault before we quote a repair — no guesswork.
From $89
Book a diagnosisProsper, TX · Auto repair
Repairs done right,
the first time.
Full-service auto repair for every make and model — diagnostics, brakes, A/C, engine and everything in between. Straight answers, fair prices, and a shop your neighbors rate a perfect 5.0.
- 5.0★ · 59Google reviews
- All makes& models serviced
- Tue–Sat9am–6pm
5.0★ · 59 Google reviews
All makes & models
Honest, upfront quotes
Warranty-backed repairs
Tue–Sat · 9am–6pm
What we do
Full-service auto repair
One shop for the whole car. If it drives, we can diagnose it, fix it, and stand behind it.
Brakes
Pads, rotors, calipers and fluid — inspected, replaced, and road-tested for a firm, quiet stop.
From $149 per axle
Get a brake quoteOil & maintenance
Oil changes, filters, fluids and factory-scheduled service to keep your warranty intact.
From $59
Schedule maintenanceA/C & heating
Recharge, leak detection, compressor and blower repair — cold air back fast in the Texas heat.
From $129
Fix my A/CEngine & suspension
Timing, belts, mounts, struts, shocks and steering — from odd noises to full rebuilds.
Quoted after diagnosis
Talk to a techPre-purchase inspections
A full point-by-point check before you buy a used car — know exactly what you're getting.
From $99
Book an inspectionWhy Cns Autoworks
The shop you won't dread taking your car to
You've heard the horror stories — surprise charges, repairs you didn't need, cars that come back worse. We built Cns Autoworks to be the opposite of all that. It's why our neighbors keep giving us 5 stars.
Book your service-
01
Upfront, honest quotes
We diagnose first and explain the fix in plain English. You approve the price before any work starts.
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02
Only the work you need
No upselling, no padded invoices. If it can wait, we'll tell you — and show you why.
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03
Every make & model
Domestic, import, truck or SUV — our techs work on it all with the right tools and data.
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04
Warranty-backed repairs
We stand behind our work. If something we repaired isn't right, bring it back and we'll make it right.
How it works
Four steps, zero surprises
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1 · Call or book online
Tell us what's going on. We'll ask the right questions and set a time that works for you.
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2 · We diagnose it
Our techs find the real cause and give you a clear, itemized quote — before we touch a thing.
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3 · We fix it right
Quality parts, expert hands, and a road test to make sure it's solved before you get the keys.
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4 · Drive away confident
We walk you through what we did — and it's all backed by our repair warranty.
Inside the shop
Where the work gets done
5.0★ across 59 Google reviews
Prosper drivers trust us
A perfect 5.0-star rating from 59 verified Google reviews — here's the kind of thing they say.
★★★★★
“Diagnosed my check-engine light honestly, showed me the part, and had it fixed the same day for a fair price. Finally a shop I trust.”
★★★★★
“Brought two cars here now. Straight answers every time, no upselling, and the work has held up. Highly recommend for anyone in Prosper.”
★★★★★
“Got my A/C blowing cold again before a road trip. Quick, professional, and they explained everything. Couldn't be happier.”
Book service
Book your appointment or quote
Tell us about your vehicle and what's going on. We'll get back to you within one business day to confirm a time and give you a straight estimate.
- (682) 583-6776
- 420 J E Weems Blvd #5, Prosper, TX 75078
- Tue–Sat 9am–6pm · Closed Sun & Mon
Check-engine light on? Let's take a look.
Call the shop Prosper rates 5.0 stars — honest quotes, fair prices, work done right.