What could happen if you never change your car's spark plugs?

All I know is that your car can loose performance, but is that the worst of it? Can anything be damaged if you don't change your car's spark plugs?What could happen if you never change your car's spark plugs?your car wont start.What could happen if you never change your car's spark plugs?Well for starters, yes your car would lose performance, along with that you will have worse off gas mileage. That in turn can make your catalytic converter go bad, because it would be overwhelmed with unburned fuel (hydrocarbons). I imagine it can damage other ignition parts over time such as your ignition coil. Also if you never replace your spark plugs they can get worn to the point where the engine becomes difficult to start or to where it turns over but does not start.What could happen if you never change your car's spark plugs?car stops running. The sparks that jump accross a spark plug only happen a million or so times and at 80,000Volts. If a lightning bolt hit the same spot on the ground the same number of times, you would have a molten lava in there and see all the way to China.What could happen if you never change your car's spark plugs?Eventually your car is not going to run because your spark plugs will stop firing.What could happen if you never change your car's spark plugs?a standard spark plug is good for at least 30,000 miles

What you do is adjust the gap about every 5,000 miles

There is no need to change them as often as most people do

Always use dielectric grease on the connectors for better performance..What could happen if you never change your car's spark plugs?We'll your %26quot;plugs%26quot; will wear down so far as to not fire anymore, and that my friend as Mccain speaks And hope he doesn't win..... will leave you stranded somewhere you wont want to get stranded.

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