Comprehensive Vehicle Maintenance Services in Horsham, PA
We are a family-owned and operated shop that has been serving our community since 1972. Sam continues the tradition of skilled workmanship and honest service that began with his father, Raymond, who inherited a passion for auto mechanics from his father, John. Today, under Sam’s leadership, we continue to provide trusted auto repairs, maintenance, and rental cars in Horsham, PA, to ensure our customers always have reliable transportation.
Expert Auto Repair & Master Mechanic Services
Our master mechanics are highly trained and experienced in diagnosing and repairing all types of vehicle issues. With decades of expertise passed down through generations, we provide precision auto repairs and maintenance for everything from minor fixes to major overhauls.
We work on all makes and models, ensuring your vehicle gets the expert care it deserves. Whether you’re dealing with an unusual noise, a dashboard warning light, or just need a routine check-up, we’ve got you covered.
Brake Repair
Safety You Can Count On
Your brakes are one of the most important safety features on your vehicle. If you hear squeaking, grinding, or experience a soft brake pedal, it’s time for an inspection. Brake issues should never be ignored—let us keep your vehicle safe and road-ready. Our brake repair services include:
- Brake pad and rotor replacement
- Brake fluid flushes
- Caliper and brake line inspections
- ABS system diagnostics
Oil Changes & Tune-Ups for Long-Term Performance
Regular oil changes and tune-ups are essential to keeping your engine in peak condition. Staying on top of routine maintenance helps prevent costly repairs down the road and ensures better fuel efficiency and performance. We offer:
- Conventional, synthetic, and high-mileage oil changes
- Crankcase flush services
- Manufacturer recommended additives
- Engine tune-ups, including spark plug replacements
- Preventive maintenance to extend your vehicle’s lifespan
- Fluid checks and top-offs
Suspension Repair for a Smooth Ride
If you’ve noticed uneven tire wear, excessive bouncing, or a rough ride, your suspension system may need attention. A properly maintained suspension system improves handling, extends tire life, and makes for a safer and more comfortable drive. Our suspension repair services include:
- Shock and strut replacement
- Ball joint and control arm inspections
- Steering component adjustments
- Wheel alignment checks
Transmission Maintenance & Repairs
Your transmission is one of the most complex components of your vehicle. Whether you have an automatic or manual transmission, regular maintenance is crucial to prevent costly repairs. Our transmission services include:
- Transmission fluid flushes
- Clutch repairs for manual vehicles
- Transmission diagnostics and minor repairs
- Referrals for major transmission rebuilds
If you’re experiencing rough shifting, slipping gears, or delayed acceleration, bring your vehicle in for an inspection before a small issue becomes a major repair.
Engine Air & Cabin Filter Replacement
Clean engine air filters improve fuel efficiency and keep your engine running smoothly, while cabin air filters help maintain clean air inside your vehicle. Our services include:
- Inspection and replacement of engine air filters
- Replacement of cabin air filters to remove dust, pollen, and pollutants
- Improved vehicle performance and air quality
Replacing your filters at regular intervals ensures optimal airflow and a healthier driving experience.
LifeSafer Interlock Installation & Maintenance
As a certified provider of LifeSafer interlock installation and maintenance, we help individuals meet Pennsylvania state requirements for ignition interlock devices following a DUI conviction. Our interlock services include:
- Professional installation of LifeSafer ignition interlock devices
- Routine maintenance and calibrations
- Assistance with compliance requirements
We make the installation and maintenance process simple, ensuring that you remain compliant with state regulations.
Morningstar Car Rental
Convenient On-Site Rentals
We understand how inconvenient it can be when your car is in the shop. That’s why we offer Morningstar car rental on-site, providing a seamless and hassle-free solution while your vehicle is being repaired.
- Affordable rental options for short-term or long-term use
- Convenient on-site pick-up and drop-off
- Reliable, well-maintained rental vehicles
If you need a rental car in Horsham, PA, while your vehicle is being serviced, we’ve got you covered.
Why Choose PJ Auto Repair?

Family-Owned Since 1972
A legacy of trust, integrity, and expert service passed down through generations.

Master Mechanics
Skilled professionals with decades of hands-on experience.

Full-Service Auto Repair
From oil changes to brake repair, suspension work, and transmission services.

Interlock Installation & Maintenance
Certified provider of LifeSafer interlock services.

On-Site Rental Cars
Morningstar car rentals available for your convenience.

Customer-Centric Approach
We treat every customer like family, ensuring honest recommendations and transparent pricing.
Schedule Your Vehicle Maintenance or Repair Today
At PJ Auto Repair, we’re proud to serve the Horsham, PA, community with expert vehicle maintenance services and on-site rental cars. So whether you need a routine oil change, brake repair, transmission maintenance, or an ignition interlock installation, our team is here to help. Just reach out and contact us today to schedule your appointment or stop by our shop to speak with one of our trusted mechanics. We look forward to keeping you safe and on the road!