Accelerated Automotive Specialists
“He communicated what was wrong with my F150 and the repaired it that same day.”
Best Car Tune-Up in Greeley, CO
15 technicians listed · 11 in Greeley · 2 open weekends · 13 rated 4.5+
Data verified October 16, 2026
Phil's Pro Auto Service
“Their additionally recommended services identified other issues that, if not addressed, could have developed into much more significant and expensive repairs.”
Mile High Mufflers
“Had a muffler installed which didn't take him very long at all and the quality was top notch!”
Performance Porting
“Has been super helpful through the process and helped me order lots very knowledgeable”
Co Race Fab Auto Specialists
“Fair price for amazing quality; I definitely would recommend bringing your car here!”
Foose Performance
“Finally found a shop that does what they say they're going to do and for the price they quoted.”
Listed for drivers in and around Greeley, CO, these 15 shops handle tune-up work and running faults. What each one says about diagnostics, warranties and service specials comes from its own website; ratings and quotes come from public reviews.
Area overview: Greeley, CO
Of the 15 technicians we list here, 11 are in Greeley itself and 4 come from towns including Milliken (1, 7 mi), Eaton (1, 9 mi) and Ault (1, 12 mi). The technicians on this page are rated from 4.3 to 5.0 across 1,819 reviews; 6 have 50 or more reviews and 13 are rated 4.5 or higher. When customers rate these technicians on specific qualities, they most often praise professionalism (95%), quality (91%) and value (77%). 2 are open on weekends. 3 list staff certifications (ASE) and 2 have a BBB rating of A or A+. 7 have ten or more years of experience, the longest 25 years. 2 offer financing; 2 give free estimates; 2 are family- or locally-owned and 2 list coupons or special offers. We have a website on file for 9 of the technicians on this page; 7 publish a contact page; 5 list a public email and 1 takes bookings online. We count these figures across the technicians on this page; distances are straight-line, and hours and prices change, so confirm the details with the technician before you visit.
Which shops listed for Greeley look at a running fault for free?
Free estimates are advertised by 2 of the 15 shops. On a running fault that normally covers pulling the codes and a price for the obvious parts. Working out which cylinder is misfiring and why takes real bench time, and that part is usually charged.
Wolfe Auto Works
“Very informative and looking out for your well-being without suggesting what you don't need.”
B&M Automotive Care LLC
“I have an older car that they have worked on a few times and it is still running great!”
Alaniz Complete Automotive LLC
“Very good mechanic hes honest and clear”
Grace Body and Fender LLC
“Eric is very kind and patient.”
Auto Stars & Stripes
“I won't use anyone else to fix a star in my windshield!”
SCR Performance
“Found SCR and in the first 2 minutes of calling they were no strangers to my issues and weren't scared to fix her, like other shops.”
GT Auto LLC
“Will give you a printed sheet with what you need to have done with prices for parts and labor.”
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Jay's Automotive
“Super grateful to have discovered this auto shop, and it's awesome they create a maintenance schedule unique to your vehicle and needs.”
Pure Drive Performance
“Great guy with the skills to tune/setup your car at a fair price, he went above and beyond helping me get my build up and running.”
Why these companies made our list
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