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The 300ZX is a sports car that is manufactured by Nissan. If you are having problems starting your 300ZX, you can troubleshoot the issues before you spend money on a mechanic. Typical problems occur with the cars battery and fuel levels. There are certain factors that will determine what you need to do to get your engine running again. These are if the ignition does not turn over, if the engine will not crank, and if the engine does crank.

Instructions

Ignition Wont Turn

1

Check the key that you are using and make sure it is the correct one for your 300ZX.

2

Try starting the 300ZX with a different key. Duplicated keys can fail to turn over the ignition.

3

Turn your 300ZXs steering wheel from side to side while you are starting the ignition. The steering wheel could be locked up.

Engine Will Not Crank

4

Open the 300ZXs hood and check the battery terminal connections. Make sure that you have the negative connection and positive connections on the correct battery terminals.

5

Clean any corrosion off the terminals with baking soda and a wire brush, then reattach the cables to the battery terminals.

6

Charge the battery with a pair of jumper cables and another car battery.

7

Replace the battery if it cannot hold a charge.

8

Check the alternator with an experienced mechanic.

Engine Cranks

9

Check the fuel level in the car.

10

Refill the car with fuel if there is an insufficient level of fuel.

11

Open the hood of the car and check the spark plug for corrosion. Clean off the corrosion with a rag and baking soda.

12

Check the timing belt for cracks or breaks. Replace the timing belt if necessary.

The Firebird was manufactured by the Pontiac division of General Motors from 1967 to 2002. The Formula trim level for the 1990 Firebird was available with an eight-cylinder engine with a displacement of 5.0 liters or 5.7 liters. The procedure for removing the ignition coil is generally the same for all eight-cylinder Firebirds made from 1982 to 1992. The ignition coil for these vehicles is located inside the distributor, which is in the engine compartment.

Instructions

1

Disconnect the cable to the negative battery terminal with a socket wrench. This reduces the possibility of electrocution while removing the ignition coil.

2

Release the wire retainer on the cover for the distributor cap and remove the cover. Detach the feed wire for the battery from the distributor cap.

3

Remove the electrical wiring for the ignition coil from the distributor cap. Disconnect the attaching screws for the cover of the ignition coil with a socket wrench and pull the ignition coil from the distributor cap.

4

Place the ignition coil and its electrical wiring into the distributor cap. Ensure that you position the resistor brush properly. Replace the cover for the ignition coil and fasten the attaching screws with a socket wrench.

5

Connect the electrical wiring for the ignition coil to the distributor cap. Attach the feed wire from the battery to the distributor cap.

6

Replace the cover for the distributor cap and attach the wire retainer to the cover. Connect the cable for the negative battery terminal with a socket wrench.

You can reset the computer on your 1990 BMW 750II right from your home garage, saving yourself time and money. The vehicles computer warns you of any and all malfunctions the vehicle is having. It alerts you by illuminating warning lights and service lights on the BMWs instrument panel. After you have had the vehicle serviced or repaired by a qualified mechanic, you or your mechanic will need to reset the vehicles computer in order to keep it functioning properly.

Instructions

1

Locate and open the fuse panel cover. This can be found in the drivers side dashboard. Pull down on it from the top with your fingers.

2

Find the large port within the fuse panel. It will be the same size and shape as the connective end of the BMW OBD reset tool. This small computerized hand-held device can be purchased from your BMW dealer.

3

Plug the tool into the port.

4

Put the key into the ignition and turn it to the "On" position. Dont start the engine.

5

Wait for the tool to automatically clear all the trouble codes. Unplug the tool and close the fuse panel cover. Start the engine and verify that all service and warning lights of the instrument panel have shut off. The computer has been reset.

The Lexus ES 250 was the companys first entry-level luxury car. To keep costs down, the ES 250 was based on the Toyota Camry, but with a nicer interior and more sound-deadening material. To ensure that the ride was comfortable and luxurious, the Lexus ES was equipped with fully independent suspension, front and back. This was notable because most manufactures would only spring for front independent suspension and use a torsion bar setup in the rear. The struts provide the cushioning in an independent suspension setup; however, they can wear out over time and need to be replaced.

Instructions

1

Drive the Lexus ES 250 to a flat piece of pavement --- your garage is best if there is ample room to either side for the removal of the wheels. Place the car into "Park" and engage the parking brake. Turn the sedan off and empty the car out --- the additional weight will make the jacking up that much harder.

2

Jack the car up by sliding the car jack under the jack point, then raising that corner up. Slide in a jack stand when that corner is elevated, then go on to the next corner. Jack the car up enough so that the wheels are no longer in contact with the ground. Use the tire iron that came with the Lexus to remove the lug nuts from each of the wheels, then pull the wheels off by hand and roll them out of the way.

3

Locate the antilock sensor on the strut --- its the only thing connected by an electrical wire to the car. Unplug the sensor, then unbolt the sway bar on the bottom of the strut. Caully lower the sway bar to the ground to avoid deforming it. The sway bar relies on its straightness to transfer kinetic energy from one corner to the other. Unbolt the two bolts that secure the bottom of the strut. On the front wheels, the strut is bolted to the steering knuckle; on the back wheels, the strut is bolted to the bottom control arms. Unbolt the two bolts on the top of the strut, then pull the strut out by hand.

4

Bolt in the new strut by first bolting in the bottom two bolts. Then slide in the two top bolts and wrench them down flush. Plug the antilock sensor in the struts, then bolt in the strut on the other side of the car. Both the left and right strut must be installed before the sway bar is bolted in or else the sides will be uneven and you will have to force them into place while bolting. Repeat this process for all the corners.

5

Bolt in the tires back onto the axles, then lower the car off the jack stands. Make sure all the corners are level, then take the car for a test drive.

You rely on the windshield wipers of your 1990 Chevrolet van to keep your field of vision clear when you are on the road in poor weather conditions. If the wipers fail and you confirm that the relay is intact, the wiper motor might be to blame. Buy a replacement wiper motor from an auto parts retailer, and change it at home.

Instructions

1

Park the van, and engage the parking brake. Raise the hood, then rest it on the support rod.

2

Use a Phillips screwdriver to remove the screws from the cowl mounted just under the wiper arms, inside the engine compartment. Lift the wiper arms up away from the windshield glass. Push the retaining clip at the base of the wiper arm, and lift it off the mounting post.

3

Remove the cowl from the engine compartment. The wiper motor is just below the cowl mounting area, beside the heater duct.