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Of coarse they are a critical part of the engine they are what gives you the power without spark plugs u have nothing the sparkplugs ignite the gas in the chamber causing piston to move if you were to unplug one spark plug you wouldn't be able to accelerate up a hill very easy at all so yes spark plugs are wat gives your engine all its power sometimes they can miss fire n well it would feel like ur engine shootin fromm all sorts of place n shake a bit
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∙ 12y ago
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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.
What do old spark plugs do to a car?
Old spark plugs can make a car misfire, run rough, and not fire at all.
If your spark plugs are bad will your car start?
your engine will start but run badly on a multi cyl. ie. more than one only 1 plug may be down, not often more than 1 together
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.
All 4 spark plugs were bad on your car will this affect your engine after you fix it?
It should make it run better and get better mileage after you replace the plugs with new ones. You may also want to replace the plug wires if the car has over 100,000 miles or is 10 years old.
Will bad water pump make car run hot?
Yes
Can a bad alternator make a car run hot?
No it can not. If the belt is missing that could cause it to run hot.
Is your computer out on your 96 Impala ss?
Will that make your car sip an run bad
Do funny car race cars have spark plugs?
A car is required to have spark-plugs in order to run. It's part of the ignition, and basically a needed element for the engine to run.
Can wrong spark plugs for a car cause it to run rich?
No,car will not run rich.Infact it gives misfires since escaping fuel will be the ultimate result if we use wrong spark plugs.
Will a bad fuel cap cause your car to run rough or die?
A bad fuel cap can make your check engine light go on. It shouldn't cause your car to run rough or die.
What cause a car engine to run rough?
There are a number of things that can cause an engine to run rough. Plugs may be bad. Plug wires may be bad. If you have sensors, there may be a bad sensor. You could have water in your gas. Could have a burnt valve. There is a number of different things.
