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Cutting fuel expenses: Autodoc experts provide you with simple tips aimed to save your money

You have noticed your car consuming more petrol, and the till slips you get at filling stations creating "black holes" in your budget? We will help you to understand the most common reasons for that and tell you how to cut down fuel expences.

Malfunctions of which systems can increase the level of fuel consumption?

Clutch. Friction linings, worn from abrasion or contaminated by oil, loss of resilience by compression springs, and worn out sealing elements can cause clutch slip, and, thus, deteriorate vehicle's traction characteristics. Pressing the accelerator pedal once more will restore the engine power, though if you do it repeteadly, fuel consumption will grow significantly.

Cooling system. At cold season, jamming of the thermostat valve in an open position makes the coolant liquid heating up to an ordinary operating temperature for a longer time. Therefore, more fuel is needed to aid the engine warming-up. If any of heating exchange processes in your vehicle is disrupted, the consequences are the same.

Piston-cylinder unit. When components of this unit are used beyond their service life, the pressure gets lower in working cylinders. As a result, the power unit loses its capacity, therefore, it needs more fuel to restore it.

Sensors. Their malfunction leads to impoper formation of the air-fuel mixture. Regardless of whether the mixture is of low or high petrol content, it will increase fuel consumption.

Intake system. Air filter clogging prevents a free inflowing of air into the combustion chamber. The fuel consumption can grow up to 20% because of the high resistance of the part to the air inflow.

What kind of mistakes do drivers make?

Quite often, drivers do not pay attention to vehicles' operating recommencations provided by manufacturers. As a rule, the following mistakes can increase the fuel comsumption:

Improper adjustment of the running gear parts. Overtightened wheel hub bolts, wheels misalignment and low tyre pressure can increase rolling resistance. As a result, spinning-up the wheels requires more power.

Low-quality fuel. Using poor-quality fuel can cause, among other problems, injectors contamination, thus, their flow capacity and ability to form the air-fuel mixture are disrupted. The fuel consumption is considerably increased so far.

Using substandard oil. Highly-viscous oil doesn't ensure proper lubrication of engine parts. With friction force being increased, the level of fuel consumption goes higher.

Vehicle operates under high-load conditions. Every extra 100 kg increase the level of fuel consumption by 10%. A cargo basket increases aerodynamic resistance, eventually causing extra expense. A fully loaded basket increases fuel consumption by 40%, and an empty one, by 5%. A cargo box specifically designed to increase the car's aerodynamic properties would be a great replacement for a basket. Don't transport unnecessary items to avoid overloading your vehicle (e.g., anti-skid chain needn't be transported during warm season).

Driving with your windows and hatch open. It surely worsens your car aerodynamic properties, particularly when driving at speeds exceeding 50 km/h. To resist the air flow, the engine will need more power, hence, more fuel.

Agressive driving style. Rough start and braking will overload your power unit.

Your air conditioner or multimedia system is constantly on. This leads to fuel consumption increase by, respectively, 15% and 7%. If you can't avoid using the air conditioner, at least try setting it on Low or only switching it on from time to time.

Use headlights only when necessary. Driving with the main beam on makes your engine consume 10% more fuel, while keeping lower beam on adds extra 5%.

Installing additional equipment. Spoilers, body kits and extra lights, if not factory installed, can increase aerodynamic resistance. Your vehicle engine will have to consume more power in order to accelerate to a certain speed.

5 essential fuel saving tips

Timely replacement of any worn down parts and consumables should be followed. Fully operable vehicle consumes as much fuel as specified in the technical manual. Thus, if you wish to save on fuel, get your car maintained on time. If any of the above mentioned system malfunctions were detected, you should consult service station specialists.

Do your best to follow timely replacement of air filters, oil, coolants, etc. This way, you will not only decrease fuel consumption, but also avoid repairing any important systems and components. Consider using only those coolants with properties corresponding to the parameters stated in your vehicle's technical manual.

Change your driving manner as follows:

  • Try to press the accelerator pedal as gradually as you can, speeding your engine up to 2000-2500 rpm (if diesel), and to 2500-3000 rpm respectively (if petrol).
  • Learn how to use engine braking. Avoiding forced torque drop can help you to cut down fuel consumption significantly.
  • Switch the engine off in case your car remains stationary for more than a minute or so. If compared to start, your engine consumes more fuel for 10 seconds when idling.
  • Monitor your engine speed: at smooth running, 1500 - 2000 rpm are produced by a diesel engine and 2000 - 2500 rpm - by a petrol engine, respectively.
  • Leave enough space ahead so as not to use your brakes all the time.

Check tyre pressure regularly. If the pressure drops by 0,7 bar, it will add extra 7% to fuel consumption. When inflating your tyres, choose the suitable pressure specified by the manufacturer to make the contact patch smaller, and to resist the aquaplaning.

Thoroughly plan your route. Thus, most of the time you can drive with constant speed. To do this, the GPS navigator will help you.

Use LED light units instead of traditional incandescent bulbs. You can decrease fuel consumption by installing more energy-efficient bulbs into your vehicle side marker lights, registration plate light or passenger compartment.

Conclusion

According to German Road Safety Council (Deutschen Verkehrssicherheitsrat e.V. (DVR), maintaining fuel-efficient driving will help you to reduce fuel costs by 25%. If you follow all the above-stated recommendations, keep your vehicle properly serviced and clean, it will not only minimize your fuel consumption, but also extend your vehicle lifetime.

AUTODOC Bestsellers: parts at a good price

LuK BR 0241 600 0017 00 Clutch kit with central slave cylinder, without pilot bearing, with flywheel, with screw set, Requires special tools for mounting, Dual-mass flywheel with friction control plate, with automatic adjustment
Parts Details
  • Product line: BR 0241
  • Supplementary Article / Supplementary Info: with central slave cylinder, without pilot bearing
  • Supplementary Article / Supplementary Info Info 2: with flywheel, with screw set, Requires special tools for mounting, Dual-mass flywheel with friction control plate
  • Adjustment: with automatic adjustment
  • Number of teeth (finding the max. clearance angle): 7
  • Max. Sideplay [mm]: 2,9
  • Max. Clearance Angle [Degree]: 18
  • Number of mounting bores: 6
  • LuK: Clutch kit
  • Item number: 600 0017 00
  • Our price: £ 309,83
  • Condition: New
Details
LuK Clutch kit
Article number: 600 0017 00
£ 309,83
price incl. 20% VAT, free delivery
LuK BR 0241 600 0016 00 Clutch kit without pilot bearing, with clutch release bearing, with flywheel, with screw set, Requires special tools for mounting, Dual-mass flywheel with friction control plate, with automatic adjustment
Parts Details
  • Product line: BR 0241
  • Supplementary Article / Supplementary Info: without pilot bearing
  • Supplementary Article / Supplementary Info Info 2: with clutch release bearing, with flywheel, with screw set, Requires special tools for mounting, Dual-mass flywheel with friction control plate
  • Adjustment: with automatic adjustment
  • Number of teeth (finding the max. clearance angle): 7
  • Max. Sideplay [mm]: 2,9
  • Max. Clearance Angle [Degree]: 18
  • Number of mounting bores: 6
  • LuK: Clutch kit
  • Item number: 600 0016 00
  • Our price: £ 282,60
  • Condition: New
Details
LuK Clutch kit
Article number: 600 0016 00
£ 282,60
price incl. 20% VAT, free delivery
FEBI BILSTEIN 24196 Antifreeze G11 blue
Parts Details
  • Temperature range from [°C]: -35
  • Colour: blue
  • Recommendations: MB 325.0
  • Specification: G11
  • Weight [kg]: 1,795
  • Observe service information
  • Packing Type: Bottle
  • Ready to use: +
  • FEBI BILSTEIN: Antifreeze
  • Item number: 24196
  • Our price: £ 6,73
  • Condition: New
Details
FEBI BILSTEIN Antifreeze
Article number: 24196
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£ 6,73
price incl. 20% VAT, excl. delivery costs
LuK BR 0241 600 0002 00 Clutch kit with central slave cylinder, without pilot bearing, with flywheel, with screw set, Dual-mass flywheel with friction control plate
Parts Details
  • Product line: BR 0241
  • Supplementary Article / Supplementary Info: with central slave cylinder, without pilot bearing
  • Supplementary Article / Supplementary Info Info 2: with flywheel, with screw set, Dual-mass flywheel with friction control plate
  • Mounting Type: Pre-assembled
  • Number of teeth (finding the max. clearance angle): 4
  • Max. Sideplay [mm]: 1,6
  • Max. Clearance Angle [Degree]: 11
  • Number of mounting bores: 8
  • LuK: Clutch kit
  • Item number: 600 0002 00
  • Our price: £ 511,47
  • Condition: New
Details
LuK Clutch kit
Article number: 600 0002 00
£ 511,47
price incl. 20% VAT, free delivery
FEBI BILSTEIN 19402 Antifreeze G12+ purple, -38(50/50)
Parts Details
  • Colour: purple
  • Recommendations: VAG TL-774 F, VAG TL-774 D, MB 325.3, Volvo VCS, MAN 324 SNF, DEXCOOL, Toyota SLLC, Ford WSS-M97B44-D
  • Specification: G12+
  • Concentrate: -38(50 / 50)
  • Weight [kg]: 5,705
  • Observe service information
  • Packing Type: Canister
  • FEBI BILSTEIN: Antifreeze
  • Item number: 19402
  • Our price: £ 21,66
  • Condition: New
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FEBI BILSTEIN Antifreeze
Article number: 19402
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£ 21,66
price incl. 20% VAT, excl. delivery costs
SACHS ZMS Modul 3000 951 790 Clutch kit with dual-mass flywheel, with clutch pressure plate, with flywheel screws, with pressure plate screws, with clutch disc, with clutch release bearing, 228mm
Parts Details
  • Diameter [mm]: 228
  • Number of Teeth: 28
  • Product line: ZMS Modul
  • Supplementary Article / Supplementary Info: with dual-mass flywheel, with clutch pressure plate, with flywheel screws, with pressure plate screws
  • Supplementary Article / Supplementary Info Info 2: with clutch disc, with clutch release bearing
  • for components see parts list
  • SACHS: Clutch kit
  • Item number: 3000 951 790
  • Our price: £ 302,56
  • Condition: New
Details
SACHS Clutch kit
Article number: 3000 951 790
£ 302,56
price incl. 20% VAT, free delivery
SACHS 3000 824 501 Clutch kit with pressure plate screws, without clutch release bearing, 210mm
Parts Details
  • Diameter [mm]: 210
  • Number of Teeth: 28
  • Supplementary Article / Supplementary Info: with pressure plate screws
  • Supplementary Article / Supplementary Info Info 2: without clutch release bearing
  • for components see parts list
  • SACHS: Clutch kit
  • Item number: 3000 824 501
  • Our price: £ 96,94
  • Condition: New
Details
SACHS Clutch kit
Article number: 3000 824 501
£ 96,94
price incl. 20% VAT, excl. delivery costs
SACHS DMF Module plus CSC 2290 601 005 Clutch kit with central slave cylinder, with clutch pressure plate, with dual-mass flywheel, with flywheel screws, with pressure plate screws, with clutch disc, 240mm
Parts Details
  • Diameter [mm]: 240
  • Number of Teeth: 23
  • Product line: DMF Module plus CSC
  • Supplementary Article / Supplementary Info: with central slave cylinder, with clutch pressure plate, with dual-mass flywheel, with flywheel screws, with pressure plate screws
  • Supplementary Article / Supplementary Info Info 2: with clutch disc
  • for components see parts list
  • Mounting Type: not pre-mounted
  • SACHS: Clutch kit
  • Item number: 2290 601 005
  • Our price: £ 431,75
  • Condition: New
Details
SACHS Clutch kit
Article number: 2290 601 005
£ 431,75
price incl. 20% VAT, free delivery
LuK 621 3027 33 Clutch kit with central slave cylinder, 210mm
Parts Details
  • Diameter [mm]: 210
  • Supplementary Article / Supplementary Info: with central slave cylinder
  • Observe service information
  • LuK: Clutch kit
  • Item number: 621 3027 33
  • Our price: £ 195,25
  • Condition: New
Details
LuK Clutch kit
Article number: 621 3027 33
£ 195,25
price incl. 20% VAT, free delivery
SACHS 2289 000 298 Clutch kit ZMS Modul XTend, with mounting tool, with clutch pressure plate, with dual-mass flywheel, with flywheel screws, with pressure plate screws, without clutch release bearing, with clutch disc, 240mm
Parts Details
  • Supplementary Info: ZMS Modul XTend
  • Diameter [mm]: 240
  • Supplementary Article / Supplementary Info: with mounting tool, with clutch pressure plate, with dual-mass flywheel, with flywheel screws, with pressure plate screws
  • Supplementary Article / Supplementary Info Info 2: without clutch release bearing, with clutch disc
  • Additionally required articles (article numbers): 1874 000 076
  • SACHS: Clutch kit
  • Item number: 2289 000 298
  • Our price: £ 495,23
  • Condition: New
Details
SACHS Clutch kit
Article number: 2289 000 298
£ 495,23
price incl. 20% VAT, free delivery
SACHS XTend 3000 970 036 Clutch kit with clutch release bearing, 228mm
Parts Details
  • Diameter [mm]: 228
  • Number of Teeth: 28
  • Product line: XTend
  • Supplementary Article / Supplementary Info Info 2: with clutch release bearing
  • Hub Profile: 20,3x22,1-28N
  • only available in set
  • SACHS: Clutch kit
  • Item number: 3000 970 036
  • Our price: £ 189,15
  • Condition: New
Details
SACHS Clutch kit
Article number: 3000 970 036
£ 189,15
price incl. 20% VAT, free delivery
1.173.87.300 MAHLE ORIGINAL TX 13 87D Engine thermostat Opening Temperature: 87°C, 54mm, with seal
Parts Details
  • Opening Temperature [°C]: 87
  • Diameter 1 [mm]: 54
  • Diameter 2 [mm]: 35
  • Supplementary Article / Supplementary Info: with seal
  • Height 1 [mm]: 21
  • Height 2 [mm]: 31
  • Packaging width [cm]: 6,70
  • Packaging length [cm]: 8,7
  • Packaging height [cm]: 9,20
  • Net Weight [g]: 88
  • MAHLE ORIGINAL: Engine thermostat
  • Item number: TX 13 87D
  • Our price: £ 11,77
  • Condition: New
Details
MAHLE ORIGINAL Engine thermostat
Article number: TX 13 87D
£ 11,77
price incl. 20% VAT, excl. delivery costs
SACHS 3000 950 057 Clutch kit 225mm
Parts Details
  • Diameter [mm]: 225
  • Number of Teeth: 23
  • Hub Profile: 23,3x26,3-23N
  • only available in set
  • SACHS: Clutch kit
  • Item number: 3000 950 057
  • Our price: £ 556,83
  • Condition: New
Details
SACHS Clutch kit
Article number: 3000 950 057
£ 556,83
price incl. 20% VAT, free delivery
VALEO KIT4P - CONVERSION KIT 826317 Clutch kit with single-mass flywheel, with screw set, with clutch release bearing, 228mm
Parts Details
  • Number of Teeth: 28
  • Product line: KIT4P - CONVERSION KIT
  • Supplementary Article / Supplementary Info: with single-mass flywheel
  • Supplementary Article / Supplementary Info Info 2: with screw set, with clutch release bearing
  • New Part
  • Hub Profile: 20,3 x 22,1
  • Weight [kg]: 14,57
  • Clutch: Conversion from dual-mass flywheel to single-mass flywheel, for vehicles with push type clutch
  • Tightening Torque [Nm]: 60
  • Clutch Pressure Plate Outer Diameter [mm]: 228
  • Preload Force [N]: 5900
  • VALEO: Clutch kit
  • Item number: 826317
  • Our price: £ 304,62
  • Condition: New
Details
VALEO Clutch kit
Article number: 826317
£ 304,62
price incl. 20% VAT, free delivery
LuK BR 0241 600 0230 00 Clutch kit with pilot bearing, with clutch release bearing, with release fork, with flywheel, with screw set, Requires special tools for mounting, Dual-mass flywheel without friction control plate, with automatic adjustment
Parts Details
  • Product line: BR 0241
  • Supplementary Article / Supplementary Info: with pilot bearing
  • Supplementary Article / Supplementary Info Info 2: with clutch release bearing, with release fork, with flywheel, with screw set, Requires special tools for mounting, Dual-mass flywheel without friction control plate
  • Adjustment: with automatic adjustment
  • Number of teeth (finding the max. clearance angle): 5
  • Max. Sideplay [mm]: 1,6
  • Max. Clearance Angle [Degree]: 15
  • Number of mounting bores: 8
  • LuK: Clutch kit
  • Item number: 600 0230 00
  • Our price: £ 522,07
  • Condition: New
Details
LuK Clutch kit
Article number: 600 0230 00
£ 522,07
price incl. 20% VAT, free delivery

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