10 Best Obd Fuel Saver in The UK

Last updated on 15/08/2025
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1
9.8
Exceptional
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Jtron OBD2 Car Memory Saver 2 in 1, Vehicle ECU Emergency Power Supply Cable with Alligator Clip-On 12V Car Battery Cigarette Lighter Power Extension Socket
Jtron
Jtron OBD2 Car Memory Saver 2 in 1, Vehicle ECU Emergency Power Supply Cable with Alligator Clip-On 12V Car Battery Cigarette Lighter Power Extension Socket
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Why We Love It
  • Prevents loss of vehicle settings.
  • Compatible with several power sources.
  • Features quality gold-plated pins.
Main Highlights
  • 8 amp fuse built into the memory saver, better reliable on overload protection.Obd memory saver powered by any jump starter with a 12V outlet into an OBD II Memory Saver. Interface connector between a 12V DC power source and vehicle's OBD II port. Preserves vehicle codes and electronic presets. Replacing a car battery on older vehicles used to be simple!! You unhook the old battery and install the new one.
  • Late-model vehicles, however, rely on computers that operate everything from the stereo to the transmission. If power is lost to the computer, the settings are lost and have to reset to default. That means the vehicle may feel different when driven, and you may have to enter a security code to access the stereo.
  • Using this simple memory saving device when replacing your car battery will help you avoid these problems. This device can work with any 12V DC power source, including jump starter, DC 12V Lead-acid battery, or another car’s DC 12V power outlet.
  • As our device with 3 meter cable, it will be a convenient way, should you not have jump starter (or Lead-acid battery) on hand, and the device can also get the 12v power supply from cigarette lighter of another good car. Just insert the Cigarette lighter plug to this car and insert into 16 pin plug to the OBD port of the car you want to replace battery. And now you can replace the battery.
  • Compared by most of OBD metal pins in market with zinc plating, ours are gold plating. Better reliable on contact and electric transmission. Compared by most of OBD II Memory Saver (or Automotive Computer Memory Saver) in market with 3 ~ 5 ft in cable length, ours with super long 10 ft (3meters) cable. In this way, you can change your car battery, also by get the alternative 12V power source from another car, when you not have a jump starter on hand
9.8
Exceptional
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Best Value
2
9.6
Superb
16Pin OBD2 ECO Chip Tuning Box Enhance Horsepower Fuel Efficient Universal for 12‑24V Automotive Auto Repair Tools
AKLOSIPY
16Pin OBD2 ECO Chip Tuning Box Enhance Horsepower Fuel Efficient Universal for 12‑24V Automotive Auto Repair Tools
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Why We Love It
  • Universal compatibility with many vehicles.
  • Enhanced performance and fuel savings.
  • Easy installation and damage-free technology.
Main Highlights
  • Universal Compatibility: This power upgrade box is based on the OBD2 protocol, making it compatible with a wide range of vehicles operating on 12-24V automotive systems.
  • Enhanced Performance: Experience a theoretical increase of 35% in power and a 25% boost in along with a potential 15% savings in fuel consumption, depending on vehicle conditions and driving habits.
  • Automatic ECU Adjustment: After driving for 200 km, the device automatically adjusts to your driving habits, fine-tuning performance to sync with your car's on-board computer.
  • Plug and Play Installation: Simply plug the device into your OBD interface, and it will automatically read the trip computer ECU data. It then adjusts key parameters such as boost pressure, fuel quantity, and injection timing for optimal performance.
  • Damage-Free Technology: The power upgrade box works within the safe operational limits set by the manufacturer, ensuring no damage to the engine or ECU. Easily restore factory settings by unplugging the device when desired.
9.6
Superb
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3
9.5
Superb
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MOTOPOWER MP69033 OBD2 Scanner Universal Car Engine Fault Code Reader, CAN Diagnostic Scan Tool for All OBD II Protocol Cars
MOTOPOWER
MOTOPOWER MP69033 OBD2 Scanner Universal Car Engine Fault Code Reader, CAN Diagnostic Scan Tool for All OBD II Protocol Cars
36% OffFree Shipping
Why We Love It
  • Multifunctional with built-in OBD2 library.
  • Supports 9 protocols and languages.
  • Compact design with LCD display.
Main Highlights
  • Multi-Functions - Practical Multi-Functions OBD2 code reader features built-in OBD2 DTC lookup library, which help you to determine the cause of the engine light, read code, erase code, view freeze frame, I/M ready, vehicle information, data flow, real-time curve, get vehicle speed information, calculate load value, engine coolant temperature, get engine speed.
  • Wide Vehicle Compatibility - The OBD2 professional automatic scanner supports all OBDII protocols such as KWP2000, J1850 VPW, ISO9141, J1850 PWM and CAN. Works with most 1996 and newer US cars, 2000 EU and Asian cars, light trucks, SUVs, and newer OBD2 and CAN vehicles both at home and abroad. Supports 6 languages - English,German, Dutch, Spanish, French, Italian. 【Refer to the Compatibility Guide to see if the scanner supports your car. 】
  • Plug & Play for Every Driver - No Apps or WiFi needed. No additional battery or charger needed. Extended cable reaches tight spaces, while the intuitive menu works right out of the box. Perfect for DIYers and mechanics. Designed with a clear LCD screen (128 x 64 pixels) - white backlight and contrast adjustment.
  • Compact Design - Car diagnostic scanner is equipped with a 2.5 feet long cable and made of a very thick flexible insulator.There are 6 buttons on OBD2 Scanner: scroll up/down, enter/exit and buttons that quick query VIN vehicle number & the DTC fault code.
  • ABS / Airbag codes NOT Supported - It is able to read and clear check engine information which is part of OBDII system, but it cannot work with non-OBDII systems, including ABS / Airbag / Oil Service Light, etc.
  • Connection Guide - Plug the scanner into the OBDII port on your car, turn on the ignition and then press the OK button to make the connection. To view the live data, please start the engine. 【Erase Codes】 - When you find the fault codes, please fix the problem before erasing the codes. If the codes erased without the problem fixed, the engine fault light may turn on again in the future.
  • Please make sure refer to the Compatibility Guide to see if the scanner supports your car. If you have any question, please contact the seller/store directly for assistance. We provide hassle-free return or refund. 【Direct refund without return if any quality problem or compatibility issue. Save your time and cost.】
9.5
Superb
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4
9.3
Superb
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Ecomac, Fuel Saver OBD2 Universal Benzine Economy Gasoline Fuel Saver Tuning Box Chip for Petrol Car
Akozon
Ecomac, Fuel Saver OBD2 Universal Benzine Economy Gasoline Fuel Saver Tuning Box Chip for Petrol Car
3% OffFree Shipping
Why We Love It
  • Strong compatibility with vehicles.
  • Enhances fuel efficiency performance.
  • Durable and high-strength materials.
Main Highlights
  • [Strong compatibility]: The OBD2 universal gasoline fuel economizer tuning box chip will not damage the vehicle engine and have no negative impact on the vehicle's factory settings. Plug and play, easy to use.
  • [Excellent performance]: The fuel saver adjusts the boost pressure, fuel quantity, injection time, and pressure based on the data provided by the ECU to reduce vehicle fuel consumption.
  • [High strength material]: The oil economizer is made of high-quality materials, making it strong and durable, and not easy to damage and deform. It has high strength and durability, and is wear-resistant and rustproof.
  • [Easy to use]: The OBD2 universal gasoline fuel economizer tuning box chip is simple to use, does not require complex tools, is simple to operate, convenient to use, saves time and effort, and is very suitable for replacing old or damaged ones.
  • [Quality Assurance]: The OBD2 universal gasoline fuel economizer tuning box chip has undergone strict quality and performance testing, bringing you a satisfactory experience. We have professional after-sales service, and you can rest assured of purchasing it.
9.3
Superb
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5
9.2
Superb
Automobile Fuels Saver - Eco OBD2 Economy Tuning Box Chip Benzine Car Petrol Fuel Saver
A/A
Automobile Fuels Saver - Eco OBD2 Economy Tuning Box Chip Benzine Car Petrol Fuel Saver
Why We Love It
  • Saves fuel efficiently for cars.
  • Widely compatible with all vehicles.
  • Easy plug-and-play installation process.
Main Highlights
  • Save Fuels For Your Car: Eco OBD2 will adjust itself to perfectly match your car, thus saving more fuels. EcoOBD2 saves 15% of fuelfor gasolines cars. Based on your driving habits, the FuelSaver creates new maps in your car's computer ECU to improve your car's performance.
  • Widely Applicable: It works based on OBD2 protocol, remaps the car's computer ECUOBD2. Fits all cars since 1996. eco obd2 Fuels Saver adjusts the boost pressure, fuels volume, injections timing, and pressure based on the data received by the ECU to improve your car's performance.
  • Plug and Play Reader: The plug-and-drive obd2 is a chip-tuned box that plugs into your car's OBD2 connector to improve your car's performance. Plug and play device. Easy to install. Just plug it into your car's OBD2 connector.
  • Adjusts fuels consumption and emissions: After 200 miles of driving, EcoOBD2 adjusts itself to the owner's habits. Constantly remapping the ECUOBD2 to reduce fuels consumption and emissions. As you drive more miles, it gives your car more energy.
  • Superior Performance: EcoOBD2 makes new maps in the car computer ECUOBD2 based on your driving habits to achieve low fuels consumption for your vehicle. As you drive more km/miles, it updates the map and adjusts itself to perfectly match your car. Save more fuels.
9.2
Superb
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6
9.2
Superb
Economy Fuel Saver Eco, ABS OBD2 ECO Fuel Save Power Chip Tuning Box 15% Green ABS Universal for Cars Since 1996
KIMISS
Economy Fuel Saver Eco, ABS OBD2 ECO Fuel Save Power Chip Tuning Box 15% Green ABS Universal for Cars Since 1996
Free Shipping
Why We Love It
  • Widely applicable for various vehicles.
  • Adapts to driving habits easily.
  • Durable and long-lasting material.
Main Highlights
  • Widely applicable ---- OBD2 ECO fuel chip tuning box is widely used in all auto in 1996, more efficient
  • Smart to use ---- OBD2 ECO Fuel Chip Tuning Box adapts to the car according to driving habits, and continues to re-map after driving 200 kilometers
  • Material ---- Eco OBD2 drive chip is made of high quality ABS plastic, with high strength, durable, long life
  • Easy to operate ---- OBD2 Eco Fuel Chip Tuning Box adopts OBD2 interface, easy to install and uninstall, what you want to do is inserting a car OBD2 connector
  • Features ---- Chip tuning box has the advantage of reducing fuel consumption, saving energy to automotive energy to ensure normal operation
9.2
Superb
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7
9.1
Superb
Riloer OBD2 Nitro Power Upgrade Fuel Saver, Universal OBDⅡ Plug Replacement for Petrol Car From the Year of 1996, Yellow
Riloer
Riloer OBD2 Nitro Power Upgrade Fuel Saver, Universal OBDⅡ Plug Replacement for Petrol Car From the Year of 1996, Yellow
Free Shipping
Why We Love It
  • More power and torque boost.
  • Fits most cars from 1996.
  • Plug and drive installation ease.
Main Highlights
  • 【High Quality】- 35% More Power, 25% More torque.
  • 【Wide Application】- Fits all car from the year of 1996.
  • 【Practical Function】- Plug&Drive Ready device to function the increasing the performance of engine.
  • 【Easy to Install】- Easy to install, just plug it into the OBD2 connector of cars.
  • 【Condition】- Manufactured with fine workmanship and high standard, brand new and premium.
9.1
Superb
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8
8.9
Excellent
Multibao Eco OBD OBD2 Economy Fuel Saver Tuning Box Chip Device For Diesel Car Gas Saving (Blue)
Multibao
Multibao Eco OBD OBD2 Economy Fuel Saver Tuning Box Chip Device For Diesel Car Gas Saving (Blue)
Free Shipping
Why We Love It
  • Saves 15% fuel on Benzine cars.
  • Easy plug-and-play installation.
  • Adapts to your driving habits.
Main Highlights
  • EcoOBD2 Saves 15% fuel for Benzine cars Plug and play drive eco-OBD2 economic chip adjuster fuel savings of 15% ECU tools.
  • EcoOBD2 is a plug-and-play drive-ready device that reduces fuel consumption and low emissions to the economy.
  • Plug-and-play drive EcoOBD2 economic chip adjustment tank for benzene (C6H6) 15% fuel savings.
  • EcoOBD2 is easy to install. Simply plug it into the car's OBD2 connector. EcoOBD2 fits all cars from 1996 to one year.
  • It works based on the OBD2 protocol for remaping on-board computer ECUs. After driving the total 200 km of road, EcoOBD2 adjusts itself to the vehicle, according to the driver's habits and always maintains the remaping ECU to save fuel and reduce discharge.
8.9
Excellent
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9
8.8
Excellent
Multibao Eco OBD OBD2 Economy Fuel Saver Tuning Chip For Petrol/Benzine Car Gas Saving (Green)
Multibao
Multibao Eco OBD OBD2 Economy Fuel Saver Tuning Chip For Petrol/Benzine Car Gas Saving (Green)
Free Shipping
Why We Love It
  • Saves fuel efficiently and effectively.
  • Easy installation with plug-and-play.
  • Adapts to driving habits automatically.
Main Highlights
  • EcoOBD2 Saves 15% fuel for Benzine cars Plug and play drive eco-OBD2 economic chip adjuster fuel savings of 15% ECU tools.
  • EcoOBD2 is a plug-and-play drive-ready device that reduces fuel consumption and low emissions to the economy.
  • Plug-and-play drive EcoOBD2 economic chip adjustment tank for benzene (C6H6) 15% fuel savings.
  • EcoOBD2 is easy to install. Simply plug it into the car's OBD2 connector. EcoOBD2 fits all cars from 1996 to one year.
  • It works based on the OBD2 protocol for remaping on-board computer ECUs. After driving the total 200 km of road, EcoOBD2 adjusts itself to the vehicle, according to the driver's habits and always maintains the remaping ECU to save fuel and reduce discharge.
8.8
Excellent
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10
8.7
Excellent
Eco OBD2, 2 in 1 15% Fuel Saving Nitro OBD2 Economy Fuel Saver Tuning Box Chip Device Additional Module for Diesel Petrol Car Plug Driver
Dapuly
Eco OBD2, 2 in 1 15% Fuel Saving Nitro OBD2 Economy Fuel Saver Tuning Box Chip Device Additional Module for Diesel Petrol Car Plug Driver
Why We Love It
  • Improves engine performance significantly.
  • Compatible with most car models.
  • Saves fuel consumption effectively.
Main Highlights
  • When the adapter is plugged into the OBD2 connector, the fuel saver receives the information from the CO2 computer ECU
  • The OBD2 protocol adjusts the car according to the driver's habits, mobilizes the control unit, improves engine performance and saves energy.
  • Plug and play economical chip fuel saver is compatible with most models manufactured after 1996, so you can use it with confidence.
  • No damage to the ECU engine and no negative effect on the factory settings of the car. To restore the original settings of the vehicle
  • Save gas and diesel storage with the OBD2 interface of your vehicle. The power is increased by 15% and fuel consumption is reduced by 20%.
8.7
Excellent
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