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Check Engine Light & Auto Diagnostics in Pittsburgh, PA

Trusted Local Auto Service From Dave Smith Auto

A trouble code is a starting point, not a complete diagnosis. Dave Smith Auto uses professional diagnostic testing to determine why a warning light is on or why a vehicle is running poorly before recommending repairs.

Why Pittsburgh drivers choose Dave Smith Auto
  • Family owned and operated since 1971
  • AAA Approved Auto Repair facility
  • ASE-certified technicians
  • Detailed estimate before authorized repairs
  • Service for most foreign and domestic vehicles

View our AAA Approved Auto Repair profile and reviews.

Service Includes

  • Check engine light scanning and diagnosis
  • Driveability and performance troubleshooting
  • Electrical system testing
  • Sensor and circuit diagnosis
  • Misfire and fuel-system diagnosis
  • Emissions-related fault diagnosis

Need Service?

Call Dave Smith Auto to discuss your vehicle, symptoms and appointment availability.

CALL (412) 244-1030

12827 Frankstown Rd
Pittsburgh, PA 15235

Auto Repair Near Penn Hills and Eastern Pittsburgh

Our Frankstown Road shop serves drivers in Pittsburgh and nearby communities including Penn Hills, Wilkins Township, Churchill, Monroeville, Plum and the surrounding eastern Pittsburgh area. We focus on accurate diagnosis, straightforward recommendations and repairs that address the actual cause of the problem.

Because many automotive symptoms overlap, we avoid treating a warning light, noise or vibration as a parts list. Our technicians inspect and test the affected system, explain what we find and provide an estimate before authorized work begins.

Related Auto Repair Services

PA Inspection & Emissions • Engine Repair • Auto A/C Repair

Questions about Check Engine Diagnostics

Service Questions

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Do you provide PA safety inspections and emissions testing?

Yes. Dave Smith Auto provides Pennsylvania safety inspections and Allegheny County emissions testing. Call with your vehicle information to confirm which tests and documents are needed for your appointment.

Can you diagnose a check engine light or poor engine performance?

Yes. Dave Smith Auto performs check engine light, sensor, circuit, misfire and fuel-system diagnosis. Reading a trouble code starts the process; testing establishes the cause before repairs are recommended.

Do you diagnose battery, alternator and electrical problems?

Yes. Dave Smith Auto offers battery, alternator and electrical service, including diagnosis of starting or charging concerns. Testing helps establish whether the problem is a battery, connection or another component.

Do you service exhaust systems and mufflers?

Yes. Dave Smith Auto services exhaust systems and mufflers and diagnoses related engine or emissions concerns. Describe any noise, odor or visible damage when arranging an inspection.

Can you repair items that cause my vehicle to fail inspection?

Yes. Dave Smith Auto performs common inspection-related repairs, including brake, steering, suspension, lighting, exhaust, tire and diagnostic work. We explain the findings and provide an estimate before authorized repairs.

Do I need both a safety inspection and an emissions test?

The tests needed depend on your vehicle and registration. Give Dave Smith Auto your vehicle information so we can confirm the applicable inspection and emissions services before your appointment.

Schedule Auto Service in Pittsburgh

Call (412) 244-1030 or contact Dave Smith Auto online.