How to Choose the Best Engine Monitor Buyer’s Guide (2018 Update)

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People who are looking for good engine monitor should find our article very helpful. It contains all the needed information about existing engine monitor model, as well as buying tips for beginners and the TOP list of the best products.

During the process of creating this buying guide, we looked through every important aspect of each engine monitor available on the current market. Our list of the best products is as objective and trustworthy as it could be. However, we still advice you to make your own research before buying a engine monitor.

U.S. Top 10 Best Engine Monitor of 2018

Rating Image Name and Features Details
Design 4/5
Size 5/5
Durability 5/5
Value 5/5
BlueDriver Bluetooth Professional OBDII Scan Tool 1. BlueDriver Bluetooth Professional OBDII Scan Tool (Editor’s Choice)
Officially licensed and certified for apple and android devices.
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Design 4/5
Size 4/5
Durability 5/5
Value 5/5
Autel AutoLink AL319 OBD2 Scanner Automotive Engine Fault Code Reader CAN Scan Tool 2. Autel AutoLink AL319 OBD2 Scanner Automotive Engine Fault Code Reader CAN Scan Tool (Easiest to Adjust)
As a powerful automotive diagnostic tool, this autel al319 support turns off malfunction indicator light (check engine light), clears codes and resets monitors as well as views freeze frame data, displays monitor and i/m readiness status(emissions), reads live pcm datastream and retrieves vehicle information(vin, cin and cvn).
Read reviews
Design 3/5
Size 4/5
Durability 5/5
Value 5/5
OBD2 OBDII Wifi Car Diagnostic Scanner by AquaNine 3. OBD2 OBDII Wifi Car Diagnostic Scanner by AquaNine (Most Unique Design)
The aquanine automotive scanner seemlessly connects to your obdii port with easy setup for your ios, android & windows phone, tablets and laptop pc.
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Design 4/5
Size 5/5
Durability 5/5
Value 3/5
Veepeak OBD2 Scanner Automotive Diagnostic Scan Tool Code Reader 4. Veepeak OBD2 Scanner Automotive Diagnostic Scan Tool Code Reader
Reads and clears generic and manufacturer specific diagnostic trouble codes (dtcs), turns off check engine light and review i/m readiness monitors for preparing emission test.
Read reviews
Design 4/5
Size 4/5
Durability 5/5
Value 4/5
Car WIFI OBD 2 OBD2 OBDII Scan Tool Foseal Scanner Adapter Check Engine Light Diagnostic Tool 5. Car WIFI OBD 2 OBD2 OBDII Scan Tool Foseal Scanner Adapter Check Engine Light Diagnostic Tool
View current sensor data.
Read reviews
Design 4/5
Size 4/5
Durability 3/5
Value 4/5
2018 Upgraded 6. 2018 Upgraded
Fit for all obd-ii/eobd compliant vehicles since USA 1996 & 2000-european autos and 2006 japanese.
Read reviews
Design 4/5
Size 4/5
Durability 2/5
Value 5/5
FOXWELL NT301 Car Obd2 Code Scanner Universal Check Engine Light Diagnostic Tool Automotive Fault Code Reader Obd II Eobd Scan Tool 7. FOXWELL NT301 Car Obd2 Code Scanner Universal Check Engine Light Diagnostic Tool Automotive Fault Code Reader Obd II Eobd Scan Tool (Best Versatility Features)
Fast read and clear vehicle error codes for 1996 us-based, 2001 eu-based and asian cars, and newer obd ii/eobd & can domestic or import vehicles.
Read reviews
Design 4/5
Size 2/5
Durability 5/5
Value 4/5
WiFi OBD2 OBDII EOBD Car Diagnostic Scanner Adapter Wireless Code Reader Check Engine Light on Android Windows IOS Smartphone Laptop iPhone iPad Torque Pro 8. WiFi OBD2 OBDII EOBD Car Diagnostic Scanner Adapter Wireless Code Reader Check Engine Light on Android Windows IOS Smartphone Laptop iPhone iPad Torque Pro
Compatible to most cars — work with all 1996 and newer vehicles (except for nissan) located in USA that are obd2 compliant including but not limited to gm, ford, subaru, chevrolet, honda, toyota, volkswagen, mazda, dodge, peugeot, citroen, bmw, audi, skoda, subaru, hyundai, kia, suzuki, opel, chyrysler, benz, porsche, renault, fiat, mitsubishi, isuzu, daihatsu, etc.
Read reviews
Design 4/5
Size 2/5
Durability 2/5
Value 4/5
Kitbest Bluetooth OBD OBD2 Scanner Adapter 9. Kitbest Bluetooth OBD OBD2 Scanner Adapter
Read & clear trouble codes kitbest obd2 scanner helps to find out why the check engine light is on and then fix simple problems by yourself.
Read reviews
Design 2/5
Size 4/5
Durability 2/5
Value 2/5
Autophix Om121 Universal Obd Ii Obd2 Scanner Car Code Reader Automotive Obdii Can Diagnostic Scan Tool Pull Check Engine Light Trouble Code Scanner Monitor 10. Autophix Om121 Universal Obd Ii Obd2 Scanner Car Code Reader Automotive Obdii Can Diagnostic Scan Tool Pull Check Engine Light Trouble Code Scanner Monitor (Most User-Friendly)
Car diagnostic code reader, fully supports all obd-ii compliant usa, european and asian vehicles (obd-ii is standard on all cars sold in USA post-199 with all obdii protocols including can, j1850 pwm, j1850 vpw.
Read reviews

 

 

 
№ 1. BlueDriver Bluetooth Professional OBDII Scan Tool for Iphone, Ipad and Android
 

Design
4/5
 

Size
5/5
 

Durability
5/5
 

Value
5/5
 
Overall Brand Model Dimensions Weight Details
4.8
Lemur Vehicle Monitors LSB2 2.2 x 1.9 x 1 inches 2.08 ounces
Check Price

Officially licensed and certified for apple and android devices. Free vehicle-specific repair reports drawn from a database of over 6.6 million fixes verified by certified auto mechanics. The bluedriver app and bluedriver sensor work exclusively with each other to ensure quality. The professional obd2 diagnostic scan tool trusted by mechanics and developed by professional engineers in north america. As easy to use as a code reader with all the capabilities of an expensive handheld scan tool, plus the benefits of your smartphone or tablet (free app updates, portability, saving data, interactive graphing of live data).

 

 
Pros
The professional obd2 diagnostic scan tool trusted by mechanics
The bluedriver app
Free vehicle-specific repair reports drawn from a database
Officially licensed
Cons
There are literally no cons.
 

How much money do I need to buy the best engine monitor?

Obviously, a good engine monitor cannot be very cheap. If you want to buy a decent product, you should not be trying to save money on it. We recommend you to order the best models from our list of the best engine monitorif you can afford it.

 

 
 

Design
4/5
 

Size
4/5
 

Durability
5/5
 

Value
5/5
 
Overall Brand Model Dimensions Weight Details
4.5
Autel AL319 63 x 17.7 x 92.5 inches 8.8 ounces
Check Price

Features the unique patented one-click i/m readiness key for quick state emissions readiness check and drive cycle verification. With the obd2 cable, this autel obd2 scan tool no need any batteries or chargers, gets the power directly from the obdii data link connector in your vehicle. What s more, this diagnostic scanner can easily determines the cause of the malfunction indicator light( mil), retrieves generic (p0, p2, p3, and u0), manufacturer specific (p1, p3, and u codes, and pending codes and displays dtc definitions on the tft color screen. Autel al319 obd2 code scanner is plug and play and very easy to use even for beginners, works on all 1996 and newer vehicles (obd ii & can)-domestic and import, supports english, french, german, spanish etc.

With bright color coded leds and built in speaker, this obd2 car scanner provides both visual and audible indication for readiness verification. In the meanwhile, you can get one year warranty /free update online lifetime. As a powerful automotive diagnostic tool, this autel al319 support turns off malfunction indicator light (check engine light), clears codes and resets monitors as well as views freeze frame data, displays monitor and i/m readiness status(emissions), reads live pcm datastream and retrieves vehicle information(vin, cin and cvn).

 

 
Pros
As a powerful automotive diagnostic tool
What s more
With bright color coded leds
Autel al319 obd2 code scanner is plug
Cons
Requires delicate care.
 

How did you make the list of the best engine monitor?

In order to create this buying guide, our team had to go through hundreds of user reviews and compare dozens of engine monitor models and brands. Finding the best engine monitor nowadays is a hard task: the selection on the market is so high that you would have to spend months to study all available options. Thankfully, our TOP list will help you find a good engine monitor much quicker!

 

 
№ 3. OBD2 OBDII Wifi Car Diagnostic Scanner by AquaNine, Code Reader Scan Tool for Ios, Android and Windows Devices, Read and Clear Cel Trouble Codes, Monitor Engine Performance with What The Pros Uses!
 

Design
3/5
 

Size
4/5
 

Durability
5/5
 

Value
5/5
 
Overall Brand Model Dimensions Weight Details
4.3
AquaNine AQUA-WIFI-SCAN 3.8 x 2 x 1 inches 1.6 ounces
Check Price

Real-time sensor information display on your phone, tablet or laptop. Rpm, speed, (ect) engine coolant temperature, (eot) engine oil temp, throttle position, dpf temp, battery voltage, o2, mpg, fuel readings, timing & more. Pre-test simulator check for emissions smog testing. Performance data – 1/8.1/4.1/2 and 1 mile time slips. The aquanine automotive scanner seemlessly connects to your obdii port with easy setup for your ios, android & windows phone, tablets and laptop pc. Compatible with tons of third-party obd elm327 free and paid (such as dash commander, torque, car doctor, etc. ) software and mobile apps made for elm 327 obdii adapters. It can be used as an automotive diagnostic scan tool, trip computer, logger, and real-time performance monitor. Wireless connects via wifi to all ios (apple iphones), android devices & windows pc devices. Fully compatible with all obd-ii compliant vehicles (except hybrid or electric vehicles) made for the USA market from 1996 and onwards, including all american, european and asian made automobiles such as but not limited to acura, audi, bmw, chevrolet, cadillac, chrysler, dodge, ford, fiat, gmc, honda, hyundai, isuzu, jaguar, jeep, kia, land rover, lexus, mazda, mercedes benz, mini, mitsubishi, nissan, porsche, renault, saab, scion, subaru, suzuki, toyota, volkswagen, volvo, etc.

Read and clear stored, pending, and permanent (dtc) diagnostic trouble codes for (cel) check engine light (both generic & manufacturer-specific fault codes with its database of over 3000 code definitions). It is the best go-to automotive scanner when you want to fix and repair your car or truck like the pros.

 

 
Pros
Fully compatible
Wireless connects via wifi
Real-time sensor information display on your phone
The aquanine automotive scanner seemlessly connects
Cons
Warranty period is hilariously low.
 

Are there anything special that I should know before buying a engine monitor?

You can find out everything you need to know about any specific engine monitor at our site before buying it. That is why we like this marketplace so much: it offers a very convenient website with “Compare” feature, as well as hundreds of user reviews. Read them to understand whether a engine monitor is suitable for you.

 

 
№ 4. Veepeak OBD2 Scanner Automotive Diagnostic Scan Tool Code Reader for Check Engine Light, Read and Clear Trouble Codes for Obd Ii Eobd Compliant Vehicles
 

Design
4/5
 

Size
5/5
 

Durability
5/5
 

Value
3/5
 
Overall Brand Model Dimensions Weight Details
4.3
Veepeak 8.8 ounces
Check Price

Fix simple problems yourself before visiting the mechanic – reads and clears generic and manufacturer specific diagnostic trouble codes (dtcs), turns off check engine light and review i/m readiness monitors for preparing emission test. Wide vehicle coverage – works with obd-ii/eobd compliant vehicles (year 1996 and newer in the us, no brand limitation); supports the five obd-ii protocols: can, kwp2000, iso9141-2, j1850 vpw and j1850 pwm. Cost-efficient solution – retrieves same information as expensive scanners; keep engine performance in good shape with regular inspections and prevents future costly repairs.

Simple to use – stand-alone unit without the need for an additional laptop or cellphone to operate; no app/software to purchase; no batteries needed. Peace of mind – 30-day money back guarantee.12-month hassle-free replacement warranty and easy to reach, friendly customer support. Generic trouble code (p0xxx) definitions are included in the user manual. Not for other systems such as abs, airbag, tpms, etc.

 

 
Pros
Cost-efficient solution
Wide vehicle coverage
Fix simple problems yourself before visiting
Cons
Is not affordable for an average person.
 

 

 
 

Design
4/5
 

Size
4/5
 

Durability
5/5
 

Value
4/5
 
Overall Brand Model Dimensions Weight Details
4.3
Foseal Foseal 3.5 x 2 x 1 inches 2.4 ounces
Check Price

Recommend obd car doctor and “obd fusion” ( 9.9) for ios. Recommend “torque lite”/ torque pro and “dashcommand” for android. Please wait wifi connection done in 10 seconds. You will be able to monitor data include engine rpm, horse power, calculated load value, coolant temperature, fuel system status, intake manifold pressure, air flow rate, intake air temperature, o2 sensor voltages, etc. Support chrysler ford honda mazda toyota vw gm dodge bmw chevrolet audi subaru kia benz & more obdii cars. Super mini obd2 obdii wireless auto check car diagnostic scanner. Are you the kind of person that likes to make the repairs by yourself. This obd2 scanner will help you troubleshoot engine codes, saves you a ton of money in diagnostic fees. Diagnose check engine light & fix the problem yourself.

 

 
Pros
One year guarantee
Support ios & android
Compatible makers
View current sensor data
Cons
It is inconvenient.
 

 

 
№ 6. 2018 Upgraded, Autmor Obd2 Scanner Auto Car Obdii 2 Code Reader Can Diagnostic Scan Handheld Tool Check Engine Light Trouble Codes Vehicle
 

Design
4/5
 

Size
4/5
 

Durability
3/5
 

Value
4/5
 
Overall Brand Model Dimensions Weight Details
3.8
Autmor 4.3 x 0.7 x 2.6 inches 3.2 ounces
Check Price

Wide car compatibility: fit for all obd-ii/eobd compliant vehicles since USA 1996 & 2000-european autos and 2006 japanese. But not suitable for diesel vehicles. Minimize maintance fee: you would be the master of your vehicle’s health. Save maintenance costs and tackle every automotive problem that might arise with this handy little scanner. Start quick check of the car system, fix and over. Direct displaying: codes could be read easily with wider lcd screen. And universal dtcs meanings are showed clearly in built-in database. Support language: french german dutch spanish english. Exact & quick diagnosis, read and clear dtc(diagnostic trouble code); determine the malfunction indicator lamp (mil) status; read and display i/m monitor status ; view freeze frame data(updated function).

 

 
Pros
Exact & quick diagnosis
Wide car compatibility
Direct displaying
Risk free warantty
Minimize maintance fee
Cons
Lacks durability.
Comes only in one size.
 

 

 
 

Design
4/5
 

Size
4/5
 

Durability
2/5
 

Value
5/5
 
Overall Brand Model Dimensions Weight Details
3.8
FOXWELL NT301 8.7 x 3.1 x 6.7 inches 10.4 ounces
Check Price

Fast read and clear vehicle error codes for 1996 us-based.2001 eu-based and asian cars, and newer obd ii/eobd & can domestic or import vehicles. Besides, the car scanner also shows live vehicle sensors data in text and graph format and allows you to focus on any suspicious or symptom-specific data parameters. Unique patented design, clearly arranged keypad.2.8″ wide tft color screen with life-time free software upgrade and one-year product warranty make it deserve to own. With internet access, you will always have the latest bug fixes and stay current with the latest technology and newly added parameters.

The obd2 scanner can quickly read and erase dtc (engine fault codes). It provides access to emissions readiness status, on-screen dtc definitions and built-in dtc look up library allow you accurately determine causes of the check engine light and turn off the mil. Automatic vin acquisition and decoding makes it much easy to read manufacturer specific codes and enhanced mode 6 data. Reading / erasing dtc and i/m readiness hot keys make it easy to use this car scanner right out of the package. Red-yellow-green leds and build-in speaker indicate emission monitor status. The obdii scan tool also help catch intermittent problems and confirm repairs during a drive cycle. Help you quickly determine the health of the car. Nt301 car scan tool is a upgraded version from the basic car obdii diagnostic scanner. No battery required, it power charge directly from the obdii car scanner interface in your vehicle make it convenient for diyers and personal diagnosis.

 

 
Pros
The obd2 scanner can quickly read
Nt301 car scan tool is a upgraded version from
Reading / erasing dtc
Unique patented design
Cons
Materials are very good, but the assembly quality leaves much to be desired.
 

 

 
 

Design
4/5
 

Size
2/5
 

Durability
5/5
 

Value
4/5
 
Overall Brand Model Dimensions Weight Details
3.8
OAKLETREA 3.4 x 1 x 1.8 inches 0.8 ounces
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Compatible to most cars — work with all 1996 and newer vehicles (except for nissan) located in USA that are obd2 compliant including but not limited to gm, ford, subaru, chevrolet, honda, toyota, volkswagen, mazda, dodge, peugeot, citroen, bmw, audi, skoda, subaru, hyundai, kia, suzuki, opel, chyrysler, benz, porsche, renault, fiat, mitsubishi, isuzu, daihatsu, etc. Match your android phone and iphone so easily — plug the obd ii in your car’s obd2 port, turn on your car, enable wifi on your android phone and iphone, search for “viecar” and pair with it (pin 1234), run the download app with simple settings and wait it connects your car’s ecu successfully. Low power consumption when not in use.

Monitor and read engine data timely c engine rpm, calculated load value, coolant temperature, fuel system status, vehicle speed, short/ long term fuel trim, intake manifold pressure, timing advance, intake air temperature, air flow rate, absolute throttle position, oxygen sensor voltages/associated short term fuel trims, fuel system status, fuel pressure. (your vehicle may not support all above parameters. ) notice: the version of wifi supports android/ios/windows system. Efficient pre-alarm and protect your lovely car before harm occurs — this portable obd2 support 9 protocols and can display over 3000 error codes on your android phone and iphone. Then you can see cars’ status and know clearly when to maintain and repair. Furthermore, you can read and clear diagnostic trouble codes (both generic and manufacturer specific), view freeze frame data & i/m readiness monitors, turn off the mil/ check engine light and view real-time sensor readings by phone or tablet. More convenient with richful apps — torque pro, torque lite (free), obd car doctor (free)software for android devices, obd car doctor(free), dash command for ios devices, obdscope software for symbian devices, ppc for windows mobile, scanmaster for pc. This hardware can match many softwares, but most are not free.

 

 
Pros
Match your android phone
Efficient pre-alarm
More convenient
Cons
Smelled disgusting during the first days of use.
 

 

 
№ 9. Kitbest Bluetooth OBD OBD2 Scanner Adapter for Android, Car Diagnostic Check Engine Light Scan Tool Code Reader. 5 Year Warranty
 

Design
4/5
 

Size
2/5
 

Durability
2/5
 

Value
4/5
 
Overall Brand Model Dimensions Weight Details
3.0
Kitbest KBOBD01 2.8 x 1.2 x 2.8 inches 0.32 ounces
Check Price

Compatible app & system kitbest obd2 scanner is able to work with android device and tablets by using downloadable apps. Recommend apps including obd car doctor (free), torque lite (free), torque pro, etc. For iphone and ipad, please search for kitbest wifi obd. Real-time engine sensor data available kitbest obd2 scanner allows you to read real-time engine data: engine rpm, calculated load value, coolant temperature, fuel system status, vehicle speed, short/ long term fuel trim, intake manifold pressure, timing advance, intake air temperature, oxygen sensor voltages/associated short term fuel trims (your vehicle may not support all above parameters.

Package includes: kitbest bluetooth obd2 adapter x 1, user manual x 5 years hassle-free replacement warranty and easy to reach, friendly customer services. Read & clear trouble codes kitbest obd2 scanner helps to find out why the check engine light is on and then fix simple problems by yourself. Read and clear diagnostic trouble codes both (generic and manufacturer-specific), reset the check engine light and view real-time sensor readings using your phone or tablet with the obd2 app. Excellent compatibility kitbest obd2 scanner works on all 1996 and newer vehicles and light trucks ( not for diesel car and trucks ) sold in USA that are obd2 compliant. Supports five obd-ii protocols: can, kwp2000, iso9141-2, j1850 vpw and j1850 pwm. It is a mini car scan tool that does not take up much space on your car.

 

 
Pros
Compatible app & system kitbest obd2 scanner is able
Package includes
Read & clear trouble codes kitbest obd2 scanner helps
Excellent compatibility kitbest obd2 scanner works on all 1996
Cons
Works inconsistently.
 

 

 
 

Design
2/5
 

Size
4/5
 

Durability
2/5
 

Value
2/5
 
Overall Brand Model Dimensions Weight Details
2.5
AUTOPHIX OM121 4 x 0.8 x 2.9 inches 11.2 ounces
Check Price

No battery needed- once plug the om121 into your vehicle’s 16pin obdii dlc, the unit will be turned on and prompt you to start the ignition, it gets the power directly from the obdii data link connector in your vehicle, automatically connects with your car computer, then you will have the menu to diagnose. Get the om121, get your problems solved before talking to your mechanic. Widest vehicle coverage: car diagnostic code reader, fully supports all obd-ii compliant usa, european and asian vehicles (obd-ii is standard on all cars sold in USA post-199 with all obdii protocols including can, j1850 pwm, j1850 vpw.

Easy to use with high quality lcd display: om121 check engine reader is equipped with a high definition lcd display which has white backlight and contrast adjustment, which allows you to read in both bright and dark places, shows the trouble codes accurately and clearly. New rugged design- brand new designed obd ii check engine reader, car trouble code scanner. Small, compact, handy, and super easy to operate with 3 logical soft navigation buttons which is well-made with high quality green rubber. More diagnostic functions: reads and clears all engine related trouble codes, and shows definitions without looking for the codes up on the internet. Turns off the mil (reset check engine light). Shows i/m readiness test results before you take the car to a smog test. Retrieves vehicle information (vin, cin and cvn).

 

 
Pros
No battery needed
New rugged design
More diagnostic functions
Easy to use with high quality lcd display
Widest vehicle coverage
Cons
Hard to transport.
Lacks durability.
 

I am wondering if buying a engine monitor online is safe

Our site is one of the safest place to buy engine monitor. It has detailed descriptions for all available engine monitorand offers a money back guarantee if you get a wrong or broken item. There are no reasons to worry!

What is the average cost for a good engine monitor?

If you want to buy the best engine monitor on the market, remember that it does not have to be the most expensive one. Of course, costly models are usually good, but there is always a possibility that you can find an option with better price/quality ratio. If you want to get the most value out of your engine monitor, choose wisely and consider all its characteristics, not only the price.

Meet the Author
My name is Ron Hughes and I am a Electronic Solderer. I graduated from Clark University - Worcester, Massachusetts

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ron@damremo.com
276 5th Ave Suite 704 New York, NY 10001
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