Mucar VO8 | Owner’s review

Mucar VO8 is professional bi-directional scan tool. It will let you access all control modules in car, read out live data, do bi-directional tests or even ECU coding to unlock some hidden features. It also comes with extra adapters for older vehicles that don’t have classic 16-Pin OBD2 port.

Affiliate Disclosure: iamcarhacker.com is an Amazon and other affiliate programs Associate. As an Amazon Associate, I earn from qualifying purchases. Full Affiliate disclosure.

Sponsored Warning: I got this product for free to make a review. Despite that, I provide an honest review based on personal testing and share my truthful opinion of the product. Read more in sponsor policy.

Find the best price

My video review of Mucar VO8

Testing Mucar VO8

What can the Mucar V8 actually do?

This is a professional diagnostic tablet, not just a basic scanner.
Here’s what it supports:

Feature	Support	Notes
Full-system diagnostics	✅	Access to every ECU
Bi-directional tests	✅	Control actuators in supported modules
ECU coding	✅ (brand-dependent)	Adaptations, basic settings, long coding (VW)
Service functions	✅	Many OEM resets included
PDF Diagnostic Reports	✅	Sharable via email/Bluetooth
Live data with graphing	✅	12 graphs at once + recording
Customer management	✅	Ideal for small workshops
Adapters for older cars	✅	Works beyond standard OBD2
Intelligent VIN scan	✅	Auto-detect on supported cars
Wi-Fi software updates	✅	Regular feature additions

? In short: It does everything — including pro features like ECU coding.

? What’s in the box?

• Diagnostic tablet
• Bluetooth VCI (wireless connection ?)
• Full case of adapters for older non-OBD2 cars
• Charging cable
• Protective case

This gives it much wider vehicle coverage than simple dongles.

? Diagnostics & VIN Auto-Scan

Tested on Citroën Jumpy:

• VIN recognition ✅
• Full scan time: ~1 min 15 sec
• Found 17 modules → 10 fault codes
• Professional-looking PDF report created
• Reports auto-save inside the device and can be emailed to a customer ?

? Service Functions

Plenty of OEM service resets appeared for the Citroën.
Example tested:

✅ Oil / maintenance reminder reset worked instantly

General list of supported resets:

• Oil reset
• EPB reset
• SAS reset
• Battery registration
• DPF regeneration
• Throttle adaptation
• ABS bleed
• Lighting & comfort configuration
• Much more depending on brand

? Control Module Functions

Inside any ECU you can:

✅ Read module info
✅ Read or clear codes
✅ View live data
✅ Perform bi-directional tests
✅ Adjust special functions
✅ Customize car settings (brand-dependent)

Example shown:

• Turned on windshield wipers directly from scanner ✅
• Attempted washer fluid test ✅ (tank empty ?)

?️ ECU Coding (Premium Feature)

On VW Golf 5, advanced OEM functions were unlocked:

• Long coding
• Adaptations
• Basic settings

Example:

Enabled US-style permanent turn signals ✅
(changed coding in body control module)

Not all cars support coding — varies by model/software.

? Live Data & Engine Diagnostics

In OBD2 mode:

• Build custom dashboards
• Record live data while driving
• View 12 graphs simultaneously
• Combine up to 4 values per graph
• Compare saved data before/after a repair ✅

Very useful for real-world diagnostics, not just reading codes.

? Works on Older Cars Too

Thanks to included adapters, it supports:

• Pre-OBD2 vehicles
• Commercial vans
• Certain unique/proprietary connectors

This is a big advantage over most tablet scanners in this price range.

? Extra Software Features

• Fault code lookup database
• Customer management profile
• Multiple language support
• Coverage database checker
• Offline use possible (except updates)

---

? My Verdict After Testing

“A very capable mechanic-level tool — especially if you work with older vehicles or need OEM coding.”

Strengths:

✅ Full-system + bi-directional functions
✅ ECU coding support
✅ 12-graph live data + recording
✅ Great reporting for customers
✅ Includes adapters for non-OBD2 cars
✅ Wireless VCI (no cables)

Things to consider:

⚠️ Slightly bulkier to carry than Bluetooth dongles
⚠️ The Mucar 892BT Bluetooth is cheaper and now has a faster full-scan update

? Recommended For

• DIY mechanics who want powerful tools
• Small shops that work with multiple brands
• Owners of older vehicles needing special adapters
• Drivers doing real diagnostics, not just resets
• Anyone needing coding & adaptations

? Not Ideal For

• Beginners who only need basic code reading
• People who prefer a tiny Bluetooth adapter only