Power
Performance
Precision
Three principles. One name. P3 Autos.
Trusted UK garage for MOT testing, servicing, diagnostics and repairs. Book online in under 2 minutes.
MOTs Completed
Customer Rating
First-Time Pass
Booking Response
Full-Service Workshop
From annual MOTs to complex engine diagnostics, our master technicians keep your vehicle performing at its best.
MOT Testing
Annual MOT test for Class 4 vehicles — cars and light vans.
- Vehicle identification check
- Bodywork & structure inspection
- Brake efficiency test
- Emissions test
- Lights & electrical check
Full Service
Comprehensive service with 50+ checks to keep your car at peak performance.
- Oil & filter change
- Air filter replacement
- All fluid level checks
- Brake inspection
- Battery & charging test
Engine Diagnostics
Advanced computer diagnostics to pinpoint engine and warning light issues.
- Full OBD-II scan
- Fault code analysis
- Live data review
- Written report
- Engine management check
Brake Repair
Brake pad, disc, and caliper replacement using quality parts.
- Pad & disc inspection
- Brake fluid check
- Caliper service
- Handbrake adjustment
- Road test
Air Conditioning
A/C recharge, leak detection, and system servicing.
- System pressure check
- Refrigerant recharge
- Leak detection
- Cabin filter check
- Performance test
Built On Trust & Precision
We combine decades of technical expertise with modern diagnostic equipment to deliver honest, reliable service every time.
DVSA-Approved MOT Station
Authorised testing facility meeting all government standards for vehicle safety and emissions.
Advanced Diagnostics
Latest OEM-level diagnostic tools to accurately identify and resolve issues fast.
Manufacturer-Standard Servicing
Genuine parts and approved procedures that protect your warranty and resale value.
Transparent Pricing
No hidden charges. You approve all work before we begin — always.
What Our Customers Say
Real feedback from drivers who trust P3 Autos with their vehicles.
"Air con was blowing warm — they recharged it in under an hour and the price was very reasonable. Brilliant local garage."
Lisa Anderson
Air Conditioning
"Diagnostic work was spot on. Other garages couldn't find the issue but P3 Autos sorted my engine warning light first time."
David Thompson
Engine Diagnostics
"Full service was thorough and well-priced. They sent photos of the work and explained everything clearly. Top workshop."
Emma Clarke
Full Service
"Great service and quick turnaround on my clutch replacement. Only minor delay but they kept me informed throughout."
Michael Brown
Clutch Repair
"Booked my MOT online in minutes. Friendly staff, fair price, and they even washed the car. Will definitely use again."
James Wilson
MOT Testing
"Honest garage that doesn't try to rip you off. They showed me exactly what needed doing on my brakes and gave me options. Highly recommend."
Sarah Mitchell
Brake Repair
Due For An MOT Or Service?
Book online today — confirmation within 24 hours.
Visit The Workshop
Address
17 Spackmans Way, Chalvey, Slough, SL1 2SA
Phone
01753 551654Opening Hours
Mon–Sat: 9:00–18:00 · Sun: Closed