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Q: What happens when spark plugs go bad?
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What happens to your car when spark plugs go bad?

Fuel milage and performance will drop. The car may "stutter" and will not idle or run smoothly. If the plugs get bad enough. The car won't be drivable.


Do bad spark plugs cause a battery to go down?

No, that will have no effect on the battery.


How do you tell if a spark plug is bad?

If there is a question about it, replace it. They are not terribly expensive. If the plugs are starting to go bad, replace them all. And the spark plugs wires too. An ounce or prevention is worth a pound of cure.


Can running rich cause spark plugs to go bad within two weeks?

Yes.


Could bad spark plugs make a truck loose all power and not start again?

It is possible but for all the plugs to go bad at the same time is unlikely.


Can bad spark plugs make the check engine light go on?

Yes, along with many other things.


How do you replace spark plugs on a 1998 Mitsubishi eclipse?

If you dont know how to replace spark plugs I recomend you go to someone that does and have him show you because you might do more bad then good trying to change them for the first time.


Will bad spark plugs make engine shake?

Yes a bad spark plug will make your car shake and when my truck had like 4 bad spark plugs it wouldnt wana go over 60. To test if you have bad plugs unplug the wire from the one you think is bad. Also the engine light might come up and when you take it somewhere like auto zone abd run the numbers it might say misfiring on cylinder xx.


01 Nissan Sentra no spark on two spark plugs?

Ecu is probly it the chance that two coils to go bad at the same time is not likely yet possible


What happens after you get spark plugs fixed and the check engine light still comes on?

Go to Auto Zone and they will check you engine light for FREE... And go from there...


Where do the spark plugs go from the cap to the plugs on a 92 caprice classic with a 350?

Ummmm......... I think you want to use spark plug wires.


Does the dodge magnum hemi need special spark plugs?

It is best to go with the factory used spark plugs. The factory uses champions.