Johnson Automotive Diagnostics
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Today: 8:00 am - 5:00 pm
Tomorrow: 8:00 am - 5:00 pm
32 Years
in Business
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07/11/2022
Eric rebuilt my 07 DTS Cady motor. 32 valve, 4.6 V8. He has a machine shop and did the valve job. With 150K miles on the motor, never got over 21 MPG on the highway. Now I am getting 28 MPG with more power. I am pleased with his work, on a difficult project.
Phone: (978) 649-9091
Address: 141 Middlesex Rd, Tyngsboro, MA 01879
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