Can bad spark plug wires cause a car not to start?
Yes, it can. If the spark plugs are bad and not firing the spark as they should the fuel/oxygen mix can be very hard to get to ignite. So the answer to your question is yes bad spark plugs can make a car not start.
Does it matter where the spark plug wires go?
The spark plug wire order matters a lot. In most cases, the wires are labeled with numbers that will help you match with the right cylinder. To avoid mixing up and placing spark plug wires in the wrong cylinder, it is prudent to replace them one at a time.
Why are my spark plug wires not working?
Your spark plug wires carry power from your distributor to your spark plugs. They feature a boot at each end and an insulated conductive core to carry the current. Over time, spark plug wires and boots may be damaged by heat or wear with age. If you’re not getting spark to one or more cylinders, this could point to a problem with a spark plug wire.
When do you change the spark plug wire?
Brands. It’s usually a good idea to change your spark plug wires when you change your spark plugs. Signs that you may need spark plugs and wires include a Check Engine Light, engine misfires, erratic idling, and increased emissions. New spark plugs and wires can also improve your fuel economy.
Where does the spark plug go in a wrong firing order?
Locate the number one terminal on the distributor and ensure that its spark plug wire runs to the number one cylinder. Ensure that the number two spark plug wire goes to the number two cylinder and so on. The vehicle’s service manual will indicate where the number one terminal on the distributor is and which cylinder is number one.
Where can I get a spark plug wire set?
New spark plugs and wires can also improve your fuel economy. O’Reilly Auto Parts carries ignition wire sets, spark plugs, and other ignition parts for most cars, trucks, and SUVs. When autocomplete results are available use up and down arrows to review and enter to select. Touch device users, explore by touch or with swipe gestures.