An air temperature sensor is used on fuel injected engines. The purpose of an air temperature sensor is to help the computer calculate air density. A change in temperature changes the resistance in the sensor. Simply stated, the higher the air temperature gets the less dense the air becomes. As the air becomes less dense the computer knows that it needs to lessen the fuel flow. If the fuel flow was not changed the engine would become rich, possibly losing power and consuming more fuel. The temp sender is generally located in the air inlet tube or the air box. The wire running to the sensor can be disconnected then the sensor can be unscrewed and replaced. Some aftermarket companies trick this sensor with a resistor (false temp reading) to make the engine run richer. If a engine has been tuned lean this trickery can show mild power gains.
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Ignition switches are a common problem with cars. When an ignition switch dies, the engine will still spin over but will not start. The 12 volt power will never go to the ignition module to power the ignition coils. Ignition switches are similar on all cars and this procedure should work on most. This car is a sunfire and shares the same parts with a cavalier. First you will need to remove the three screws on the underside of the steering column cover.
If a cooling fan will not turn on as the temperature reaches 200 degrees F, the fan motor may need to be replaced. To remove the fan on a 1995 Cadillac STS, start by removing the front plastic guard. Many other cars cooling fans are almost identicle to this set up and can be repaired in the same way. The plastic “trees” that hold the guard on will often break, so beware.
This aftermarket steering wheel conversion is being done on a Mazda Miata but it can be done on any other vehicle the same way. Some people change the steering wheel for looks and for more leg room. You will also shed a few pounds, this steering wheel shed 10 pounds, not a lot but every bit helps. First either find the fuse for the airbag or remove the battery cable so that you don’t accidentally make the airbag go off. Make sure that the steering wheel is turned to where tour wheels are straight foreward. To remove the steering wheel, start with the four bolts in the back side of the wheel. These nuts will allow the air bag to be removed.
Lambo door kits will make your car stand out of the crowd! This article will cover the installation of the lambo door conversion kit. The lamborghini door kit comes in a bolt on kit or a universal weld on kit. This door installation was on a mitsubishi 3000 gt using the weld on kit. The first thing that will need to be done is removal of the fenders. The top bolts are located under the hood where the fender wraps over from the side. There will be bolts on the bottom of the fender, the front, and possibly some in the back where the door opens. Remove all of the bolts and carefully pull back and out to remove the fender.
Snowmobile fuel pump problems can be diagnosed. A vacuum fuel pump is used on snowmobiles with carburetors. The first thing to look at is the vacuum line that will run to the crankcase. If this hose has any cracks, leaks or is not clamped tightly on to the crankcase fitting, it will not pump fuel. If the fuel pump still wont work, mark where the lines come from and make a line down the side of the pump. Disassemble the pump carefully and look at the diaphragms for cracks. Also inspect for blockage of any of the cavities or passages within the fuel pump. You can also spin the engine over to make sure the crankcase fitting is not blocked. This fitting will produce vacuum and pressure so don’t be alarmed. If you can’t find any problems rebuild or replace the pump. Fuel injected snowmobiles will use an electric fuel pump. First check to see that there is voltage coming to the fuel pump.
Cooling fans are easy to troubleshoot. Some automobiles use two smaller fans or one larger fan. The twin electric fan set up will use one fan for cooling the engine. The other fan will be used for cooling the air conditioning and radiator but only works with the ac on. Never continue to run the vehicle up in the red temp zone or you can cause severe damage to the engine. First do you have a temperature gauge in the dash? Is it working correctly? Lift the hood and verify visually that the fan is not working. Does the car cool down once you drive up the highway at 40+ mph? If not, you may have a thermostat sticking or low coolant. The thermostat can cause the engine to stay hot. This can also be the problem if the gauge stays low and the car never heats up. If the temp gauge is reading low yet the two radiator hoses are warm, the temp sensor may not be working. There may also be two temp sensors or senders, one that controls the gauge and one to switch the fan on. If the temperature is getting high and the fan still won’t come on you may have a fan problem.
Backup generators are very useful in the event of power loss. Purchasing a generator is the best way for large amounts of power. A home built generator can generate smaller amounts of power, enough for the freezer and a few lights. This is definitely a project for someone with mechanical background and maybe a little electrical know how. You could go the route of purchasing all the same components that a regular generator uses, but then the cost would no longer be effective. Also the speed regulation can be very tricky and require alot of tuning. A popular alternative is to use parts much more common, thus cheaper. Many of the parts can be purchased used for VERY cheap. A push lawnmower is a good mounting platform that already has an engine on it. Building a homemade generator will require some fabrication skills. A car alternator is used as the source for converting power into electricity. The mower blade will need to be removed. Then you will need to find a good flat spot to mount the alternator.
A rotary valve engine is always a two stroke engine. Most rotary valve engines are rotax engines. Although other rotary engines such as suzuki and kawasaki have been made. Rotax engines are used in snowmobiles, jet-skis and motorcycles and aircraft engines. A rotary valve refers to the intake of a two stroke engine. There are three types of intake designs for two stroke engines. Simplistic two strokes are piston port, meaning that the piston movement past the port controls the incoming air timing. The piston port engine doesn’t do a very good job of keeping the airflow to stay in the engine. The air can simply travel back out of the engine. The most popular intake air induction is the reed port engine. It uses reed petals to allow the intake air in the engine and traps it there. The tension of the reed petals can change with the use of different petals and can provide some power improvement at certain rpm ranges. A rotary valve engine has the best intake air control.
A car’s engine can surge for many reasons. Generally the ignition, wires, spark plugs, or the distributor rotor and cap will cause this problem. Another possibility is that your fuel filter is clogged. Injectors could also possibly be clogged on a high mileage vehicle. This is where a tune up can help your car. A vacuum leak can also cause surging problems. First inspect all hoses and fittings then around the carb or throttle body. Run the engine and spray carb cleaner on areas that could be leaking, the engine will die or speed up when you spray if there is a leak. A vacuum leak may or may not make your check engine light come on. Surging could come from a sensor problem or a leak causing the sensor to not operate correctly. It is always good to check your computer codes first if the light is on. This will help you to identify the problem area.
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An air temperature sensor is used on fuel injected engines. The purpose of an air temperature sensor is to help the computer calculate air density. A change in temperature changes the resistance in the sensor. Simply stated, the higher the air temperature gets the less dense the air becomes. As the air becomes less dense the computer knows that it needs to lessen the fuel flow. If the fuel flow was not changed the engine would become rich, possibly losing power and consuming more fuel. The temp sender is generally located in the air inlet tube or the air box. The wire running to the sensor can be disconnected then the sensor can be unscrewed and replaced. Some aftermarket companies trick this sensor with a resistor (false temp reading) to make the engine run richer. If a engine has been tuned lean this trickery can show mild power gains.
