Engine Diagnostic in the area around Coconut Grove, Miami, FL averages $104.00, with prices ranging from $49.95 to $149.99 based on 34 verified prices from 34 nearby shops.
Showing nearby shops within 25 mi of Coconut Grove · June 2026
Engine Diagnostic prices in Coconut Grove, Miami, FL range from $49.95 to $149.99 at local auto repair shops, based on verified pricing data gathered from 34 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 Coconut Grove 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 Coconut Grove 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 |
|---|---|---|---|---|---|---|
| Mario Busto Auto Repair1160 Southwest 5th Street | Independent | $99.99 | Last verified 40 days agoby PriceMyFix | 3.3 mi | View Shop | |
| Q's Mobile Mechanic Pros of Miami68 Southeast 6th Street | Independent | $75.00Below avg | Last verified 40 days agoby PriceMyFix | 4.2 mi | View Shop | |
| AC Repair Miami Beach1680 Michigan Avenue | Independent | $99.99 | Last verified 40 days agoby PriceMyFix | 7.8 mi | View Shop | |
| Prestige Auto Tech—Pinecrest8800 Southwest 129th Street | Independent | $129.99Above avg | Last verified 44 days agoby PriceMyFix | 7.9 mi | View Shop | |
| Red Lion Auto Repair555 Northwest 79th Street | Independent | $99.99 | Last verified 40 days agoby PriceMyFix | 8.6 mi | View Shop | |
| Tire Kingdom6500 Southwest 117th Avenue | Independent | $149.99Above avg | Last verified 44 days agoby PriceMyFix | 8.8 mi | View Shop | |
| 1 Auto Center Corp1010 East 49th Street | Independent | $149.99Above avg | Last verified 40 days agoby PriceMyFix | 9.7 mi | View Shop | |
| MIAMI MOBILE AUTO REPAIR14313 Southwest 100th Lane | Independent | $75.00Below avg | Last verified 40 days agoby PriceMyFix | 11.9 mi | View Shop | |
| Piston Garage Car Care Center18728 Southwest 107th Avenue | Independent | $99.99 | Last verified 40 days agoby PriceMyFix | 12.0 mi | View Shop | |
| Prestige Auto Tech—Miami Lakes6814 Northwest 169th Street | Independent | $129.99Above avg | Last verified 34 days agoby PriceMyFix | 14.3 mi | View Shop | |
| Tire Kingdom1700 Northeast 163rd Street | Independent | $129.99Above avg | Last verified 40 days agoby PriceMyFix | 14.5 mi | View Shop | |
| HR Mobile Auto Repair LLC1640 Southwest 71st Terrace | Independent | $79.99Below avg | Last verified 40 days agoby PriceMyFix | 18.5 mi | View Shop | |
| High Speed Complete Auto Repair and Mobile Service126 North Federal Highway | Independent | $149.99Above avg | Last verified 40 days agoby PriceMyFix | 19.0 mi | View Shop | |
| Luxe Auto Repair6031 Hollywood Boulevard | Independent | $125.00Above avg | Last verified 40 days agoby PriceMyFix | 19.7 mi | View Shop | |
| Pit Stop Mobile Mechanics15800 Pines Boulevard | Independent | $99.99 | Last verified 40 days agoby PriceMyFix | 20.5 mi | View Shop | |
| USA Special Mechanic30070 South Dixie Highway | Independent | $79.99Below avg | Last verified 40 days agoby PriceMyFix | 21.4 mi | View Shop | |
| Right Moment Mobile Tire Shop106 Southwest 5th Avenue | Independent | $79.99Below avg | Last verified 40 days agoby PriceMyFix | 23.4 mi | View Shop | |
| T & L Auto Repair and Tires1211 South State Road 7 | Independent | $75.00Below avg | Last verified 40 days agoby PriceMyFix | 26.2 mi | View Shop | |
| Big Boys Tires924 Northeast 4th Avenue | Independent | $75.00Below avg | Last verified 40 days agoby PriceMyFix | 28.9 mi | View Shop | |
| AMS Axiz Motorsports3320 Northwest 97th Way | Independent | $85.00- $140.00Below avg | Includes code readout, printout, and basic fault analysis. | Verified todayby PriceMyFix | 30.4 mi | View Shop |
| Fast Tire & Auto Repair Ft Lauderdale1050 West Commercial Boulevard | Independent | $99.99 | Last verified 40 days agoby PriceMyFix | 32.2 mi | View Shop | |
| Fast Tire And Auto Repair - Pompano Beach2011 North Diexe Highway | Independent | $75.00Below avg | Last verified 44 days agoby PriceMyFix | 37.3 mi | View Shop | |
| Triple J Automotive11491A West Sample Road | Independent | $49.95CouponBelow avg | Verified 3 weeks agoby PriceMyFix | 37.7 mi | View Shop | |
| Prestige Auto Tech - Pompano Beach2511 West Sample Road | Independent | $129.99Above avg | Last verified 40 days agoby PriceMyFix | 38.2 mi | View Shop | |
| EF Tire & Auto Repair3725 North Federal Highway | Independent | $129.95Above avg | Last verified 40 days agoby PriceMyFix | 39.0 mi | View Shop |
The average engine diagnostic in Coconut Grove, Miami, FL costs $102.99 across 25 shops. The cheapest verified price is $49.95 at Triple J Automotive.
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.
