Auto Authority LLC
- Work
- Coolant
- Inspection
4 of these 24 technicians are in Oshkosh; the rest are within 30 mi in Appleton, Manitowoc and Green Bay.
Of the 24 technicians listed here, 4 are in Oshkosh itself; the others are in Appleton (12, 20 mi), Manitowoc (2), Green Bay (6).
Ratings range from 4.5 to 5.0 across 1,950 reviews; 14 technicians have 50 or more reviews; 24 are rated 4.5 or higher.
2 describe themselves as family- or locally-owned.
Services most often listed on their websites: napa autocare center benefits (2), napa peace of mind warranty (2), car care tips (2), wheel alignments (2), custom exhaust (2) and classic car repair (2).
In structured review feedback, customers of these technicians most often flagged quality (94%), value (94%) and professionalism (94%).
10 of the 24 technicians have a website on file; 6 publish a contact page; 2 list a public email; 2 take online bookings.
2 of these technicians have had their website domain for ten or more years; the oldest was registered in 2010.
Figures are counted over the technicians on this page from public listings and company websites collected in 2026; distances are straight-line; hours and prices change, so confirm before you visit.
The 24 shops on this page handle tune-up work and running faults in and around Oshkosh, WI. What each one says about diagnostics, warranties and service specials comes from its own website; ratings and quotes come from public reviews.
A fixed bundle of parts at a set price, which is fine if your car is due for exactly those parts. It is not a repair. If the engine is running badly, ask for the fault to be diagnosed first, because a package deal that does not touch the real cause is money spent twice.
On some engines yes, on others the intake manifold comes off first and half the day goes with it. Plugs need the right gap and a torque wrench, because an overtightened plug in an aluminum head is a very expensive mistake. Look up your engine before you buy the parts.
Go by the manual for the plugs and filters rather than by the calendar or a coupon. Beyond that, let the car tell you. Rough idle, hesitation, harder starting or economy sliding are the signals worth acting on, and none of them arrive on a schedule.
Online booking is offered by [N_BOOK] of the 24 shops on this page. Put the symptom in the notes rather than picking a service name, because a shop that knows it is chasing a misfire will set aside diagnostic time instead of a quick parts slot.
Excerpts from public reviews of the technicians listed on this page.