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Unless your car is a diesel, they can certainly keep your car from starting if they're missing. They can also become fouled or badly worn, which, again, could keep your car from starting.
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Can wrong spark plugs keep car from starting?
yes
How do you replace spark plugs on 1994 Honda Accord Ex?
i change the spark plugs on my car but they keep popping out
Which spark plug ca you take out to keep a car from starting?
The answer is not which one, but how many. Most engines probably won't run if 1/3 or more of the plugs are removed.
Why is your spark plugs black after starting car just twice?
The car is either using oil or the gasoline is set to rich.
Will broken spark plug wires keep a 2003 Malibu from starting?
Broken spark plug wires will keep almost any car from starting.
Would loose spark plugs result in trouble starting the car?
Loose spark plugs would result in a loss of compression. This would make starting difficult and if the engine ran at all it would do so badly.
Will Water in your spark plugs keep the car from turning over?
Water around the outsides of the spark plug may keep the car from running due to poor spark plug wires, but the engine should still turn over.
Do you need to change the spark plugs with every oil change?
It's a good idea. Spark plugs keep your engine happy and will make sure you have no trouble starting your car. Also, if you do it yourself, you want to make sure they are 'pre-gapped' or make sure you know how to gap them yourself.
How long do spark plugs last?
How long spark plugs last depends on the brand of spark plug and the condition of the car. In a well maintained car, some spark plugs will last from 3 to 7 years.
What do old spark plugs do to a car?
Old spark plugs can make a car misfire, run rough, and not fire at all.
How do you gap spark plugs for a 1986 Mercedes-Benz 190E?
The same way you gap spark plugs for any car that uses spark plugs.
How do you replace spark plugs on 2003 buick century 3.1 motor?
It is important to replace old spark plugs to keep a car engine running well. To replace them disconnect the battery, remove the cables, remove the old spark plugs, replace with the new spark plugs, replace the cables in the correct order, and connect the battery.
