A bad ignition coil is one of the most common problems on cars, and it can be tough to find the right solution. If your car won’t start after you’ve replaced the ignition coil, here are some common causes and solutions. If your car won’t start after you’ve replaced the ignition coil, there could be many reasons why. Here are some of the most common: – Dirty spark plugs: One of the most common causes of an engine not starting is a dirty spark plug. To fix this problem, you’ll need to clean the spark plug and electrodes with a spark plug cleaner. – Bad gas: If there’s bad gas in your car, it can cause your engine not to start. To fix this problem, you’ll need to replace the gas filter. – Bad wiring: Wiring issues can cause your car not to start no matter what else is wrong. In order to test if there’s a wiring issue, you’ll need to check for power at each light switch and under the hood. – Faulty ignition: If everything else seems to be checked and fixed and your car still won’t start, then it might be time to replace the ignition unit.
What is a Bad Ignition Coil?
A bad ignition coil can make a car not start. If the coil isn’t firing the spark plugs correctly, the car will not start. The problem can be caused by anything from a dirty or corroded coil to a faulty wiring harness. In some cases, the coil itself can even break. If you notice that your car isn’t starting as easily as it used to, check for a bad ignition coil.
How to Test for Bad Ignition Coil
If your car won’t start, there’s a good chance that the ignition coil is bad. To test for bad ignition coils, first check to see if the car will turn over with the key in the “On” position. If it will, but not when you try to start it, the coil is probably bad. If the car won’t turn over at all with the key in the “On” position, then you’ll need to test the spark plugs. Connect one end of a jumper cable between each plug and ground (the metal frame of your car). Turn the engine over with the key in “Off” and wait 10 seconds. Try starting the car now. If it starts, then one of the spark plugs is bad. If it doesn’t start after 10 seconds, then all four are likely bad and you’ll need to replace them.
How to Repair a Bad Ignition Coil
If you’re experiencing problems with your car not starting, there’s a good chance that your ignition coil is the culprit. A bad ignition coil can cause intermittent problems with your car’s start, including not being able to start at all. Here’s how to repair a bad ignition coil:
1. Remove the battery cover. On most vehicles, this will be located on the passenger side of the vehicle near the front wheel well.
2. Remove the spark plugs and associated wires. On many cars, the spark plugs are located behind a plastic shield near the engine block. If you have an automatic transmission, remove the torque converter as well.
3. Unplug the ignition coil wire from its connector on the engine block (or in some cases, on the headlight housing).
4. Use a wire brush to clean any debris or corrosion off of the Ignition Coil Wire connector on the engine block or headlight housing. This might require using a bit of solder sucker to fix things if they get stuck during re-installation later on!
5. Re-connect the wire brush connector to either end of the new ignition coil wire and crimp it tightly onto both connectors (you might need to use pliers for this
Conclusion
If your car’s ignition coil is bad, it may not be able to start. A bad coil can cause the spark plugs to misfire and the engine to not start. If you notice a lack of power when starting your car or if it fails to turn over, it might be time to replace your ignition coil.