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Parklawn Diagnostic

12309 Carroll Ave, Rockville, MD 20852

Overall Score

Hours of Operation

Mon - Fri:6:30am to 5:00pm

Message from the Shop

State Inspections (Emissions), Flush Services, Belts and Hoses, Exhaust Systems, Brakes, Shocks and Struts, Alignment, Tune-Ups, Air Conditioning, Transmissions, Electrical, Radiators. ASE Blue Seal of Excellence, CarQuest, Napa.

Auto Makes We Service

Acura Buick Cadillac
Chevrolet Chrysler Dodge
GMC Geo Honda
Hummer Hyundai Infiniti
Isuzu Jeep Kia
Lincoln Mazda Mercury
Mitsubishi Nissan Oldsmobile
Plymouth Pontiac Saturn
Scion Subaru Suzuki


Muffler & Exhaust Oil Change & Lube Service & Repair Transmission Repair


Extended/Evening Hours Parts/Accessories Senior Discount Towing

Customer Reviews (4 reviews)

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Parklawn Diagnostic
March 29, 2010

Mike at Parklawn has worked on all my family's cars at the same location for over 20 years. Includes Toyota, Mazda, Honda and Mercedes. He consistently provides excellent diagnosis and repair at reasonable prices, and he explains problems and repairs openly, honestly and with the customer's interests in mind. He goes the extra mile to provide great service. Ignore the gruff exterior, he's a really nice person who cares about people,likes to be of help, and loves to talk cars.

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Parklawn Diagnostic
January 22, 2010

I took my 99 Grand Prix to Mike for some general maintenance, and to have him look at a problem that had completely stumped two other shops (it was a problem that was keeping my car from passing the MD emissions inspection). Mike accurately diagnosed the emissions problem within an hour.

The repair turned out to be more involved that expected, but Mike kept me informed throughout the repair, making my options, likely outcomes, and costs very clear (he even did price comparisons on an expensive part, and saved me around $100). The end result was like getting a new car.

Mike also let me know what I should be planning for in terms of ongoing maintenance, along with very reasonable cost estimates. No hard sales pitch, either, just competent and professional care.

Mike's attention to detail, thoroughness, and exceptional customer service make him tops in my book...I recommend him without reservation.

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Parklawn Diagnostic
November 25, 2009

The front breaks on my Caravan needed replacing. Mike did the job for a reasonable price and had it finished the same day. When the insturment panel went out I of course took it back to Mike. Again, great price and timley service.

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Parklawn Diagnostic
November 25, 2009

Originally I took my Ford Escape Hybrid to Mike at Parklawn Diagnostic for a problem with my breaks. I had taken the car to the dealer twice for the same problem. When the break failure happened the 3rd time a friend recommended I let Mike have a look at it. I dropped the car off to him on my way to work and by lunch time he had the problem fixed. Since then I have had my regular oil changes done and have been very impressed with his customer service. He makes me feel a customer and not just a number. So I was more than happy to take my vehicle to him for my 60,000 mile servicing. Again, he explained everything he did and made a recommendation regarding my tires. Thanks Mike for insuring I had a safe trip to NC.

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