Fuel Efficiency - Maintenance Checks

• Any fuel or oil leaks
  
• Missing seal in fuel tank cap or signs of fuel spills around filler neck
  
• Low tyre pressure (twinned tyres kissing)
  
• Tyre wear suggesting faulty steering or axle alignment (such as feathering of tread in tyre shoulder area)
  
• Missing tyre valve caps
  
• Steel caps are much better than plastic ones, providing an effective second line of defence against leaking valves
  
• Maintenance records showing rapid wear of clutch or brake friction material
  
• Traces of black smoke in exhaust suggesting fault with engine's air-intake and/or fuel injection system
  
• Tears in body curtains
  
• Any body damage
  
• Missing or damaged air-management equipment
  
• Excessive engine oil consumption (no leaks) suggesting oil is being burnt as a result of internal wear.