10 Best Car Engine Fault Code Readers: Save Money Now

Want to find the best car engine fault code reader?
Real users found they saved money and fixed issues at home with our expertly reviewed top ten list.

Car engine fault code readers help you fix issues quickly without a mechanic. Many users save money by using these tools to check and clear codes at home.
A driver shared how an OBD2 scanner helped him spot a loose gas cap and avoid a costly trip to the shop, proving these devices work well for everyday problems. Building on reviews from hundreds of car owners, this guide picks the best options to fit your needs. You will find expert tips that make buying easy and fun. Discover scanners that turn car fixes into simple tasks you can handle yourself.

List of Top 10 Car Engine Fault Code Readers

Image Title Best For Price
ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Scan Tool, Read and Clear Error Codes for 1996 or Newer OBD2 Protocol Vehicle (Black) ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Scan Tool, Read and Clear Error Codes for 1996 or Newer OBD2 Protocol Vehicle (Black)

Tired of that pesky check engine light? The ANCEL AD310 scanner is perfect for everyday car owners and DIY enthusiasts. It’s a must-have tool for anyone who wants to quickly diagnose and fix common car problems.

ANCEL AD410 Enhanced OBD2 Scanner, Vehicle Code Reader for Check Engine Light, Automotive OBD II Scanner Fault Diagnosis, OBDII Scan Tool for All OBDII Cars 1996+, Black/Yellow ANCEL AD410 Enhanced OBD2 Scanner, Vehicle Code Reader for Check Engine Light, Automotive OBD II Scanner Fault Diagnosis, OBDII Scan Tool for All OBDII Cars 1996+, Black/Yellow

This product is perfect for anyone who wants to understand their car’s engine. It is also great for beginners and mechanics who want a simple way to check their vehicle.

MOTOPOWER MP69033 Car OBD2 Scanner Code Reader Engine Fault Scanner CAN Diagnostic Scan Tool for All OBD II Protocol Cars Since 1996, Yellow MOTOPOWER MP69033 Car OBD2 Scanner Code Reader Engine Fault Scanner CAN Diagnostic Scan Tool for All OBD II Protocol Cars Since 1996, Yellow

This OBD2 scanner is perfect for car owners and mechanics who need to read, clear, and fix engine codes in most cars from 1996 and later. It helps you save time and money by handling basic diagnosis tasks yourself.

Autel OBD2 Scanner MS309 Universal Car Engine Fault Code Reader, Check Engine Light and Emission Monitor Status, OBDII CAN Diagnostic Scan Tool Autel OBD2 Scanner MS309 Universal Car Engine Fault Code Reader, Check Engine Light and Emission Monitor Status, OBDII CAN Diagnostic Scan Tool

This Autel OBD2 Scanner MS309 is perfect for DIY car owners who want to quickly read and clear engine codes, turn off the check engine light, and check smog readiness without expensive shop visits. It’s also ideal for used car buyers needing to verify vehicle info like VIN and calibration details on standard OBDII vehicles from 1996 onwards.

VDIAGTOOL VD10 OBD2 Scanner Code Reader Car Diagnostic Tool Engine Fault Code Reader for Turn Off CEL with Freeze Frame/I/M Readiness for All OBDII Protocol Cars, OBD2 Scanner Diagnostic Tool VDIAGTOOL VD10 OBD2 Scanner Code Reader Car Diagnostic Tool Engine Fault Code Reader for Turn Off CEL with Freeze Frame/I/M Readiness for All OBDII Protocol Cars, OBD2 Scanner Diagnostic Tool

Are you tired of mysterious “check engine” lights? The VDIAGTOOL VD10 is perfect for you! It’s a simple tool to check your car and save money. This is great for those who want to fix their own cars, and those with little to no experience.

FOXWELL NT201 OBD2 Scanner Code Reader for Cars and Trucks - Reset Check Engine Light, Read and Clear Fault Codes, Live Data Diagnostic Tool for All Cars Since 1996 FOXWELL NT201 OBD2 Scanner Code Reader for Cars and Trucks – Reset Check Engine Light, Read and Clear Fault Codes, Live Data Diagnostic Tool for All Cars Since 1996

Tired of that pesky check engine light? The FOXWELL NT201 OBD2 Scanner is perfect for the everyday car owner. It’s easy to use and helps you understand what’s going on under the hood.

Autel Professional OBD2 Scanner AL319 Code Reader, Enhanced Check and Reset Engine Fault Code, Live Data, Freeze Frame, CAN Car Diagnostic Scan Tools for All OBDII Vehicles After 1996, 2025 Upgraded Autel Professional OBD2 Scanner AL319 Code Reader, Enhanced Check and Reset Engine Fault Code, Live Data, Freeze Frame, CAN Car Diagnostic Scan Tools for All OBDII Vehicles After 1996, 2025 Upgraded

The Autel AL319 is perfect for car owners who want to check and fix engine problems themselves without going to a shop. It’s also great for DIY fans and beginners who need a simple, easy-to-use tool for OBDII vehicles.

FOXWELL NT301 OBD2 Scanner Live Data Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light FOXWELL NT301 OBD2 Scanner Live Data Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light

This OBD2 scanner is perfect for home mechanics and DIY car enthusiasts who want to fix their own vehicles. It’s also ideal for professional auto shop mechanics diagnosing check engine lights and vehicle codes quickly.

VDIAGTOOL VD30 Pro Car Code Reader, OBD2 Scanner Diagnostic Tool for Cars and Trucks, Check Engine Code Reader, OBD2 Scanner with Reset, escaner automotriz I/M Readiness for All OBDII Vehicles VDIAGTOOL VD30 Pro Car Code Reader, OBD2 Scanner Diagnostic Tool for Cars and Trucks, Check Engine Code Reader, OBD2 Scanner with Reset, escaner automotriz I/M Readiness for All OBDII Vehicles

This VDIAGTOOL VD30 Pro is perfect for anyone who owns a car or truck. It is great for DIYers and mechanics.

AUTOPHIX OM126P OBD2 Scanner, Check Engine Light Code Reader, Car Code Scanner for Automotive Diagnostic, Read & Clear Fault Code, Pass Smog Test, Live Data, for All US Cars After 1996 (Orange) AUTOPHIX OM126P OBD2 Scanner, Check Engine Light Code Reader, Car Code Scanner for Automotive Diagnostic, Read & Clear Fault Code, Pass Smog Test, Live Data, for All US Cars After 1996 (Orange)

The AUTOPHIX OM126P scanner is ideal for busy car owners who want to fix problems on their own without being experts. It’s perfect for drivers who need quick checks before trips, smog tests, or to clear the check engine light easily.

Detailed Reviews

Discover the best car engine fault code readers picked by experts and happy users. These tools quickly read codes, clear errors, and help fix your check engine light. From simple scanners to ones with live data, you’ll find options for every driver. Dive in to pick the perfect one and save time on car repairs.

1. ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Scan Tool, Read and Clear Error Codes for 1996 or Newer OBD2 Protocol Vehicle (Black)

ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Scan Tool, Read and Clear Error Codes for 1996 or Newer OBD2 Protocol Vehicle (Black)

The ANCEL AD310 is a top-selling OBD II scanner that fixes check engine light issues fast. It reads and clears error codes for cars from 1996 and newer, so you can drive worry-free.

This tool is sturdy and compact for easy use. It plugs right into your car and gets power from the vehicle—no batteries needed. Results show up quick and clear on the big screen.

The AD310 works with most OBD2 cars, trucks, and SUVs in the US, Europe, and Asia. Keep it in your glove box—it’s a smart buy for home or travel fixes.

Pros Cons
  • Diagnose engine issues quickly and accurately!
  • Clear error codes easily after fixes.
  • Compact design for easy portability.
  • Supports all major car brands and years.
  • Powers from your car—no extra batteries needed.
  • Limited to emission-related issues only.
  • Does not work with OBDI interfaces.

Perfect For:

Tired of that pesky check engine light? The ANCEL AD310 scanner is perfect for everyday car owners and DIY enthusiasts. It’s a must-have tool for anyone who wants to quickly diagnose and fix common car problems.

Ready to Purchase?

2. ANCEL AD410 Enhanced OBD2 Scanner, Vehicle Code Reader for Check Engine Light, Automotive OBD II Scanner Fault Diagnosis, OBDII Scan Tool for All OBDII Cars 1996+, Black/Yellow

ANCEL AD410 Enhanced OBD2 Scanner, Vehicle Code Reader for Check Engine Light, Automotive OBD II Scanner Fault Diagnosis, OBDII Scan Tool for All OBDII Cars 1996+, Black/Yellow

The ANCEL AD410 is a smart OBD2 scanner that works with most cars from 1996 and newer. It plugs right into your car’s port and turns on without a battery. This tool lets you check your car’s health fast and easy.

It reads and clears fault codes to fix the check engine light. You can test O2 sensors and EVAP systems for better fuel use. The clear screen shows results so everyone can understand them.

Just connect it to the port under your dash. ANCEL backs it with strong support for years.

Pros Cons
  • Wide compatibility for many vehicles and languages.
  • Quickly reads and clears fault codes easily.
  • Advanced tests for sensors and EVAP systems.
  • User-friendly display with clear results.
  • Easy setup and simple to use.
  • Limited scope: Only scans engine faults, not other systems.
  • Compatibility check needed: Ensure your car matches 1996+ OBDII standards.
  • No battery: Runs on vehicle power only, no standalone use.

Perfect For:

This product is perfect for anyone who wants to understand their car’s engine. It is also great for beginners and mechanics who want a simple way to check their vehicle.

Ready to Purchase?

3. MOTOPOWER MP69033 Car OBD2 Scanner Code Reader Engine Fault Scanner CAN Diagnostic Scan Tool for All OBD II Protocol Cars Since 1996, Yellow

MOTOPOWER MP69033 Car OBD2 Scanner Code Reader Engine Fault Scanner CAN Diagnostic Scan Tool for All OBD II Protocol Cars Since 1996, Yellow

Tired of the check engine light? The MOTOPOWER MP69033 OBD2 Scanner reads and clears codes fast to save you time and money.

This tool shows live data like engine speed and coolant temp. It fits most cars from 1996 with easy plug-in power. Use it in six languages for simple fixes.

It skips ABS and airbag codes but handles engine faults well. Grab yours now for quick car checks.

Pros Cons
  • Plug-and-play; no battery needed.
  • 2.8-inch LCD display for clear view.
  • 9 protocols support for many cars.
  • Read and erase codes quickly.
  • Live data and speed info shown.
  • No support for ABS or airbag trouble codes.
  • Limited to OBDII systems only.
  • Need to start engine to view live data.

Perfect For:

This OBD2 scanner is perfect for car owners and mechanics who need to read, clear, and fix engine codes in most cars from 1996 and later. It helps you save time and money by handling basic diagnosis tasks yourself.

Ready to Purchase?

4. Autel OBD2 Scanner MS309 Universal Car Engine Fault Code Reader, Check Engine Light and Emission Monitor Status, OBDII CAN Diagnostic Scan Tool

Autel OBD2 Scanner MS309 Universal Car Engine Fault Code Reader, Check Engine Light and Emission Monitor Status, OBDII CAN Diagnostic Scan Tool

Is your car’s “Check Engine Light” on? The Autel MS309 OBD2 Scanner will help you figure out what’s wrong.

This easy-to-use tool reads and clears codes. It also checks if your car is ready for a smog test. Get yours today and save time and money!

Pros Cons
  • Plug-and-play; no setup needed.
  • Reads and clears codes quickly.
  • Shows DTC meanings offline for quick fixes.
  • Retrieves VIN & freeze frame data for used cars.
  • Affordable tool with 12-month warranty and free support.
  • Only supports basic OBDII; no advanced parameters.
  • Cannot clear codes for FCA vehicles after 2017.
  • No TPMS or extra features.

Perfect For:

This Autel OBD2 Scanner MS309 is perfect for DIY car owners who want to quickly read and clear engine codes, turn off the check engine light, and check smog readiness without expensive shop visits. It’s also ideal for used car buyers needing to verify vehicle info like VIN and calibration details on standard OBDII vehicles from 1996 onwards.

Ready to Purchase?

5. VDIAGTOOL VD10 OBD2 Scanner Code Reader Car Diagnostic Tool Engine Fault Code Reader for Turn Off CEL with Freeze Frame/I/M Readiness for All OBDII Protocol Cars, OBD2 Scanner Diagnostic Tool

VDIAGTOOL VD10 OBD2 Scanner Code Reader Car Diagnostic Tool Engine Fault Code Reader for Turn Off CEL with Freeze Frame/I/M Readiness for All OBDII Protocol Cars, OBD2 Scanner Diagnostic Tool

Need to figure out why that light is on? The VDIAGTOOL VD10 is here to help. It’s an OBD2 scanner that’s simple to use!

This tool reads and clears codes fast. It also shows you live data. Keep your engine healthy!

It works on most cars. Get yours today!

Pros Cons
  • Easy to use, plug and play car diagnostic tool.
  • Quickly find and fix car problems yourself.
  • Get live data to keep your engine running well.
  • Checks if your car will pass the s-nn-0-g check.
  • Wide car compatibility & free lifetime updates!
  • Screen is only 2 lines, may need to scroll.
  • Doesn’t fix the problem, just finds it.

Perfect For:

Are you tired of mysterious “check engine” lights? The VDIAGTOOL VD10 is perfect for you! It’s a simple tool to check your car and save money. This is great for those who want to fix their own cars, and those with little to no experience.

Ready to Purchase?

6. FOXWELL NT201 OBD2 Scanner Code Reader for Cars and Trucks – Reset Check Engine Light, Read and Clear Fault Codes, Live Data Diagnostic Tool for All Cars Since 1996

FOXWELL NT201 OBD2 Scanner Code Reader for Cars and Trucks - Reset Check Engine Light, Read and Clear Fault Codes, Live Data Diagnostic Tool for All Cars Since 1996

Tired of that pesky check engine light? The FOXWELL NT201 is your answer. It reads and clears fault codes super fast. No more guessing or expensive mechanic visits!

This tool gives you live data on your car’s engine. Know exactly what’s wrong with the built-in code library. It even has a one-key emissions test for easy checks.

It works on most cars and trucks since 1996. Get yours today and save money!

Pros Cons
  • Quickly read and clear your car’s fault codes.
  • See live car data to find the problems.
  • One-click button for easy emissions tests!
  • Works on most cars and trucks since 1996.
  • No fees ever, plus free lifetime updates!
  • It doesn’t support all vehicle systems.
  • Limited to emission-related fault codes only.
  • No reset functions are available.

Perfect For:

Tired of that pesky check engine light? The FOXWELL NT201 OBD2 Scanner is perfect for the everyday car owner. It’s easy to use and helps you understand what’s going on under the hood.

Ready to Purchase?

7. Autel Professional OBD2 Scanner AL319 Code Reader, Enhanced Check and Reset Engine Fault Code, Live Data, Freeze Frame, CAN Car Diagnostic Scan Tools for All OBDII Vehicles After 1996, 2025 Upgraded

Autel Professional OBD2 Scanner AL319 Code Reader, Enhanced Check and Reset Engine Fault Code, Live Data, Freeze Frame, CAN Car Diagnostic Scan Tools for All OBDII Vehicles After 1996, 2025 Upgraded

Stop guessing what’s wrong with your car! The Autel AL319 tells you exactly what the problem is.

This tool is super easy to use. It works on most cars made after 1996. Plus, you can read codes in different languages.

The bright color screen makes it simple to see results. It even has a one-click button for quick checks. Get yours now and save money on car repairs!

Pros Cons
  • Turns off check engine lights fast and easy.
  • Works on many cars from 1996 onward.
  • Simple to use for anyone, even beginners.
  • Clear display and one-click features save time.
  • Lifetime updates and strong support included.
  • No ABS or SRS checks.
  • Limited to gas engines.
  • Basic features only.

Perfect For:

The Autel AL319 is perfect for car owners who want to check and fix engine problems themselves without going to a shop. It’s also great for DIY fans and beginners who need a simple, easy-to-use tool for OBDII vehicles.

Ready to Purchase?

8. FOXWELL NT301 OBD2 Scanner Live Data Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light

FOXWELL NT301 OBD2 Scanner Live Data Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light

The FOXWELL NT301 OBD2 Scanner is your go-to tool for fixing car issues fast. It reads error codes, turns off the check engine light, and shows live data. Get it to keep your ride running smooth and pass smog checks with ease.

This gadget works on most cars from 1996 onwards, including trucks and vans. It supports key OBDII systems for quick scans and tests.

Buy the NT301 today for a reliable mechanic in your pocket. Enjoy free updates and top support to stay ahead.

Pros Cons
  • Quickly turns off your car’s check engine light.
  • Sees and graphs your car’s live data.
  • Easy to use for emissions tests.
  • Works with most cars, trucks, and SUVs.
  • Simple to use; just plug and play!
  • Limited to basic car systems.
  • Doesn’t support special functions.
  • Compatibility varies by vehicle model.

Perfect For:

This OBD2 scanner is perfect for home mechanics and DIY car enthusiasts who want to fix their own vehicles. It’s also ideal for professional auto shop mechanics diagnosing check engine lights and vehicle codes quickly.

Ready to Purchase?

9. VDIAGTOOL VD30 Pro Car Code Reader, OBD2 Scanner Diagnostic Tool for Cars and Trucks, Check Engine Code Reader, OBD2 Scanner with Reset, escaner automotriz I/M Readiness for All OBDII Vehicles

VDIAGTOOL VD30 Pro Car Code Reader, OBD2 Scanner Diagnostic Tool for Cars and Trucks, Check Engine Code Reader, OBD2 Scanner with Reset, escaner automotriz I/M Readiness for All OBDII Vehicles

The VDIAGTOOL VD30 Pro is a car code reader that works on all OBD2 vehicles. It helps you check engine codes and reset the light with ease. You can also see live data in graphs and check if the car is ready for smog tests.

This OBD2 scanner is simple to use with one-click scans and clear words on the screen. It stays strong with a tough build and gets free updates forever. You get help from support any time of the day.

Buy the VD30 Pro for a reliable car tool that saves you money. It has a three-year warranty and extra features like code lookup.

Pros Cons
  • Easy to use with a clear and simple interface.
  • Offers lifetime free updates via USB on Windows.
  • Provides one-click I/M readiness for quick checks.
  • Includes DTC lookup and voltage test features.
  • Backed by a 3-year warranty and 24/7 support.
  • No TPMS reset for tires.
  • Can’t diagnose ABS or airbags.
  • Only works on basic OBD2 issues.

Perfect For:

This VDIAGTOOL VD30 Pro is perfect for anyone who owns a car or truck. It is great for DIYers and mechanics.

Ready to Purchase?

10. AUTOPHIX OM126P OBD2 Scanner, Check Engine Light Code Reader, Car Code Scanner for Automotive Diagnostic, Read & Clear Fault Code, Pass Smog Test, Live Data, for All US Cars After 1996 (Orange)

AUTOPHIX OM126P OBD2 Scanner, Check Engine Light Code Reader, Car Code Scanner for Automotive Diagnostic, Read & Clear Fault Code, Pass Smog Test, Live Data, for All US Cars After 1996 (Orange)

Wide vehicle coverage means the AUTOPHIX OM126P works with most U.S. cars after 1996 and many from other countries too. Just plug it in to your car’s port and start scanning right away—no setup needed. It helps you read codes and clear the check engine light quickly.
This scanner lets you check if your car is ready for the smog test at home. Real-time data shows things like RPM and coolant temperature to fix problems fast.
Use the DTC lookup to understand fault codes easily in 10 languages. It turns tough car issues into simple fixes you can handle yourself.

Pros Cons
  • Wide coverage supports 99% of US cars after 1996.
  • Plug and play for quick car scans every time.
  • Check smog readiness at home, save time and money.
  • Monitor live data to spot issues fast.
  • Get clear code meanings without searching online.
  • No support for cars before 1996.
  • Basic tool only for simple scans.
  • Needs some car know-how to use well.

Perfect For:

The AUTOPHIX OM126P scanner is ideal for busy car owners who want to fix problems on their own without being experts. It’s perfect for drivers who need quick checks before trips, smog tests, or to clear the check engine light easily.

Ready to Purchase?

Buying Guide

Car engine fault code readers are essential tools for any car owner. They help you diagnose issues quickly and save money on repairs.

Many users have shared their positive experiences. For instance, one driver used an OBD2 scanner to identify a loose gas cap, avoiding an unnecessary trip to the mechanic. This shows how effective these devices can be for everyday problems.

When buying a car engine fault code reader, consider the following factors:

  • Compatibility: Ensure the scanner works with your vehicle’s make and model. Most OBD2 scanners are compatible with cars from 1996 and newer, but it’s always good to double-check.

  • Ease of Use: Look for a user-friendly interface. A clear display and simple navigation can make diagnosing issues much easier, especially for beginners.

  • Features: Different scanners offer various features. Some can read and clear codes, while others provide live data and advanced diagnostics. Choose one that fits your needs.

  • Portability: A compact and lightweight design is ideal for easy storage and transport. You want a scanner that you can keep in your glove box for quick access.

  • Price: Set a budget before shopping. There are options available at various price points, so find one that offers the best value for the features you need.

  • Customer Support: Good customer service can be invaluable. Check if the manufacturer offers support and updates for their products.

  • User Reviews: Reading reviews from other users can provide insights into the scanner’s performance and reliability. Look for feedback on ease of use and effectiveness.

By considering these factors, you can find the best car engine fault code reader that suits your needs and helps you keep your vehicle running smoothly.