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A vehicle does not burn anymore fuel when operating with the air conditioner unit or off as it does not burn more fuel when operating with the heater on.
air fuel
A system using an air pump and air shocks or air ride to keep the vehicle level no matter the load placed on the vehicle.
A faulty air flow meter in a electronic fuel injection vehicle will lead to drivability issues. The car will not be able to send prop fuel and air mixtures to the ECU which will lead to issues starting the vehicle as well as maintain a solid idle.
I had a similar problem with a vehicle (don't remember make) Try running vehicle up on a couple of 2 x 4's when refilling. Problem with mine was fuel filler was lower than fuel tank
The heat - is generated by the fuel/air mixture burning in the cylinders.
No. Some amount of zinc may be present in fuel used in motor vehicle and as such zinc oxide may be present in air in traces. ( You have a lead free fuel available. )
All modern vehicles have a gap above the fuel level when full for safety reasons.
on a computer controlled vehicle you have to reprogram the computer and on an older vehicle with a carburetor you have to change the jets in the carb.
There is not a carb on a fuel injected vehicle. It has a throttle body. the amount of air to fuel ratio is controlled by the computer.
how can we save fuel ? easy you can easily dont turn on the air condition
2 Possibilities come to mind immediately: 1) Low coolant and air in the cooling system. As coolant is circulated through the heater core you may hear this noise you describe 2) Perhaps vehicle is "pinging" due to Spark timing advanced too far or the fuel you are using has too low an octane rating for the vehicle. try another grade of fuel. Perhaps a 91 octane if you are using an 89 octane rated fuel.