You don't you can change them while the car is still hot its no problem.
there are four spark plugs.
no
Try changing spark plugs. Blow out dirt around plugs first.
40,000 km
on the motor
It could be bad spark plugs. try changing your plugs.
NGK platinum plugs
Obviously- the spark plugs were not the issue :)
Distributor cap & rotor button or spark plug wires may be bad. Coil could be weak.
Only if there's something wrong with your old spark plugs.
Changing your spark plugs could theoretically make your car faster but not enough to make a noticeable difference. Changing your spark plugs when they are worn will increase your fuel mileage slightly.
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