Engine Diagnostic in the area around Oviedo, FL averages $96.00, with prices ranging from $65.00 to $149.99 based on 37 verified prices from 37 nearby shops.
Showing nearby shops within 25 mi of Oviedo · June 2026
Engine Diagnostic prices in Oviedo, FL range from $65.00 to $149.99 at local auto repair shops, based on verified pricing data gathered from 37 shops across the area. An engine diagnostic (also called a 'check-engine diagnosis' or OBD-II scan) reads fault codes from the vehicle's onboard diagnostic system, which monitors hundreds of engine, transmission, and emissions parameters. Prices for this service in Oviedo vary by vehicle make and model, the grade of parts and fluids used, and whether you book with an independent shop, a franchise chain, or a dealership. Independent and chain repair shops in Oviedo typically charge 20 to 40 percent less than dealerships for this service; dealerships may justify the premium for warranty-covered work or brand-specific diagnostics. All prices listed on this page were verified directly from shop websites or user-submitted receipts, and each carries a Last Verified date. For details on how PriceMyFix verifies prices, visit pricemyfix.com/about/methodology.
| Shop | Type | Price | Details | Verified | Distance | Actions |
|---|---|---|---|---|---|---|
| Aulin Auto & Truck Repair - Oviedo, Fl325 Aulin Avenue | Independent | $79.99Below avg | Last verified 35 days agoby PriceMyFix | 0.8 mi | View Shop | |
| Inlign Automotive1325 South US Highway 17 92 | Independent | $75.00Below avg | Last verified 41 days agoby PriceMyFix | 7.4 mi | View Shop | |
| Longwood Auto Fix1563 South US Highway 17 92 | Independent | $79.95Below avg | Last verified 33 days agoby PriceMyFix | 7.5 mi | View Shop | |
| Sensible Choice Auto Sales, Inc3270 North US Highway 17 92 | Dealership | $125.00Above avg | Last verified 41 days agoby PriceMyFix | 7.5 mi | View Shop | |
| Euro Auto House3855 Saint Johns Parkway | Independent | $149.95Above avg | Last verified 33 days agoby PriceMyFix | 11.2 mi | View Shop | |
| Tire Kingdom2100 South Orange Avenue | Independent | $129.99Above avg | Last verified 41 days agoby PriceMyFix | 14.6 mi | View Shop | |
| NEW AGE MOBILE MECHANIC LLC72 West Jersey Street | Independent | $75.00Below avg | Last verified 46 days agoby PriceMyFix | 14.9 mi | View Shop | |
| Arrive N Drive Orlando | Used Car Dealer7948 Narcoossee Road | Dealership | $75.00Below avg | Last verified 41 days agoby PriceMyFix | 15.5 mi | View Shop | |
| Ron Jon's Automotive4854 South Orange Avenue | Independent | $75.00Below avg | Last verified 46 days agoby PriceMyFix | 15.9 mi | View Shop | |
| Orlando hybrid Auto Repair1326 35th Street | Independent | $89.99 | Last verified 41 days agoby PriceMyFix | 16.1 mi | View Shop | |
| Addis Tire Outlet4560 West Colonial Drive | Independent | $75.00Below avg | Last verified 35 days agoby PriceMyFix | 16.2 mi | View Shop | |
| Cheap On Tires 4x4 - Wheels & Tires - Lift Kits - Powder Coating6809 South Orange Avenue | Independent | $75.00Below avg | Last verified 41 days agoby PriceMyFix | 17.2 mi | View Shop | |
| Colquick Mobile Mechanics LLC5225 Millenia Boulevard | Independent | $99.00 | Last verified 41 days agoby PriceMyFix | 19.7 mi | View Shop | |
| Sunshine Oil Stop14369 Narcoossee Road | Independent | $149.99Above avg | Last verified 33 days agoby PriceMyFix | 21.4 mi | View Shop | |
| Southeast Automotive638 South Bluford Avenue | Dealership | $75.00Below avg | Last verified 33 days agoby PriceMyFix | 21.7 mi | View Shop | |
| Jack Auto Mechanic14316 Sapelo Beach Drive | Independent | $75.00Below avg | Actual cost depends on vehicle make, model, and specific repairs needed. | Verified 11 days agoby PriceMyFix | 21.8 mi | View Shop |
| Royal Motors North12475 West Colonial Drive | Independent | $99.99 | Last verified 41 days agoby PriceMyFix | 23.2 mi | View Shop | |
| Regency Auto Care Unlimited1211 South Woodland Boulevard | Independent | $75.00Below avg | Last verified 41 days agoby PriceMyFix | 24.0 mi | View Shop | |
| Boulevard Tire Center816 South Woodland Boulevard | Independent | $119.99Above avg | Last verified 45 days agoby PriceMyFix | 24.5 mi | View Shop | |
| Orlando Mobile Auto Repair Mechanics907 Garden Street | Independent | $65.00- $75.00Below avg | Covers time & expenses to come out to diagnose your vehicle’s problems. If repair is done at the same time, diagnostics can be free, only charging for the first hour of labor. | Verified 11 days agoby PriceMyFix | 25.7 mi | View Shop |
| The Shop Deland, LLC409 North Spring Garden Avenue | Independent | $129.99Above avg | Last verified 41 days agoby PriceMyFix | 26.1 mi | View Shop | |
| Don Mealey Chevrolet17185 Florida 50 | Dealership | $129.95Above avg | Last verified 33 days agoby PriceMyFix | 29.3 mi | View Shop | |
| Stuart's Car Care Center219 North Dixie Freeway | Independent | $75.00Below avg | Last verified 41 days agoby PriceMyFix | 29.9 mi | View Shop | |
| Roberts Mobile Mechanic6250 South Williamson Boulevard | Independent | $79.99Below avg | Last verified 41 days agoby PriceMyFix | 29.9 mi | View Shop | |
| Josh's Mobile Mechanic Services1606 La Marche Drive | Independent | $75.00Below avg | Last verified 35 days agoby PriceMyFix | 33.5 mi | View Shop |
The average engine diagnostic in Oviedo, FL costs $94.15 across 25 shops. The cheapest verified price is $65.00 at Orlando Mobile Auto Repair Mechanics. Dealerships average $101.24 — 9% more than independents and chains in this area.
Trucks and SUVs with higher oil capacity may cost more. Check individual shop listings for vehicle-specific pricing.
An engine diagnostic (also called a 'check-engine diagnosis' or OBD-II scan) reads fault codes from the vehicle's onboard diagnostic system, which monitors hundreds of engine, transmission, and emissions parameters. When a sensor reads outside its expected range, the ECU logs a fault code (P0XXX format) and illuminates the check-engine light. A diagnostic reads these codes but does not automatically identify the repair — it narrows down the system affected. A thorough diagnosis also includes live data analysis (sensor readings in real time), symptom correlation, and in some cases additional tests (compression test, smoke test, fuel pressure test) to confirm the root cause.
Immediately when: (1) the check-engine light is solid (not flashing) — this indicates a non-critical fault that should be addressed soon, (2) the check-engine light flashes — this is an active misfire causing catalyst damage; stop driving immediately if it's flashing rapidly, (3) you notice a specific drivability symptom (rough idle, hesitation, poor MPG, stalling) even without the light, as some sensor failures don't trigger the light until they worsen, (4) before buying a used vehicle — a scan at a shop or self-scan reveals hidden fault codes the seller may not have disclosed.
It depends entirely on what's causing the light. Most solid check-engine lights are minor — an EVAP leak (loose gas cap), an O2 sensor reading slightly off, or a knock sensor fault — conditions that won't leave you stranded or cause immediate damage. A flashing check-engine light is different: that's an active misfire that sends unburned fuel into the catalytic converter, which overheats and fails. Cat replacement at $1,000–$2,500 is the near-term consequence; delayed, the catalyst material melts and can be ingested into the engine. Never drive more than a few miles with a flashing light.
Diagnostic pricing and recommendations vary more than almost any other service: (1) most shops charge $75–$120 for diagnosis; some waive or credit it if you authorize the repair — ask upfront, (2) reading a code yourself with a $25 Bluetooth OBD adapter (Torque Pro, Car Scanner) tells you the code; it does not tell you the root cause or whether the repair a shop recommends actually addresses it, (3) P0420 (catalyst efficiency below threshold) is one of the most frequently misdiagnosed codes — shops often recommend a $1,500 catalyst when the actual fault is a failing O2 sensor ($150–$300), (4) any shop that gives a repair quote based solely on the code without additional testing (live sensor data, component tests) for codes that can have multiple causes deserves a second opinion.
All prices verified from public sources and user submissions. Learn about our verification methodology.
