Tri-State Auto Diagnostics 

is a full service auto and truck service center located on Dubuque’s west end at 5200 Old Highway Rd.  Owner, Joe McKillip, an ASE Certified Master Technician, opened Tri-State Auto Diagnostics in 1997.  He Runs this state-of-the-art, AC Delco service center always keeping the customer in mind.  He will not give you the run-around and he will never try to sell you on any unnecessary repairs to your vehicle.  You will always get an honest assessment of the repairs needed at a fair and reasonable price.  

Our computerized auto diagnostic service will pinpoint the problem your vehicle is having without unnecessary down time.  At Tri-State Auto Diagnostics, we know how important your vehicle's are to you and your family.  We will get you back on the road with as little downtime as possible. 
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