Call or Visit Us
(602) 331-9307
9219 N. 8th Street
Phoenix, AZ 85020
(Entrance on Cave Creek Rd, just north of 8th Street)

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Welcome to Car Tune Diagnostics

Car Tune Diagnostics, in Phoenix, AZ, and serving Phoenix, Tempe, Scottsdale, Glendale, Sunnyslope, Mesa, Gilbert, Peoria and more, strives to offer the highest quality service at affordable prices. Our mechanics are highly skilled, with more than 30 years of combined experience working on nearly every type of vehicle imaginable. We are 100% honest and charge very reasonable prices for our work and parts because we want you to be so satisfied you make us your only stop for auto repairs and service!

We have been working at the same Sunnyslope location since we opened and have developed a reputation for honesty, reliability, and accuracy. We always go above and beyond, and will do our best to help you fix your car or truck quickly and affordably.


Want to save more off our already great prices?  Take advantage of our special offers.  Click our Specials page for current savings opportunities.

Free Diagnosis

In most cases, there is never a charge for diagnosing your problem or your warning light. Come by, ask, we’ll help you figure it out.

Visit Us

We’re open Monday through Friday 8:00 am until 5:30 pm MST.  Stop by and introduce yourself even if your vehicle has no immediate need for repair services.  When the time comes that your vehicle does need repairs you’ll know who to call.   We hope you’ll take advantage of our invitation.  We promise, you won’t be sorry you did!