Easy tips

Can I drive with a faulty ignition coil?

Can I drive with a faulty ignition coil?

It is possible to drive with a faulty Coil On Plug (COP), but not advisable. Driving with a faulty waste spark ignition system won’t be possible. Driving with a faulty coil pack can damage other components of the engine. You’ll also learn how to diagnose and replace your faulty coil.

When do you know you have a bad ignition coil?

Initially, when your car engine misfired, and your “check engine” light turns on, you knew you had a problem with your distributor. Nowadays, most modern cars replaced the distributor with a coil pack, thus, increasing electronic transmission efficiency.

Can a bad ignition coil affect fuel economy?

There are times when the ignition fails spontaneously, and there are times when it fails gradually. A gradually failing ignition coil seems to perform normally but has a detrimental effect on your fuel economy. You can notice that by checking the amount of mileage, you get whenever you fuel your car.

How does a bad ignition coil cause a backfire?

Backfires are sudden loud bangs caused by incomplete combustion and the release of fuel through the exhaust system. When bad ignition coils are unable to produce enough voltage for the spark plugs to transmit to the fuel, the fuel explodes loudly.

Why does my ignition coil turn blue when I start the car?

One potential culprit could be your ignition coil, which helps turn the low voltage output of your battery into the little blue-white sparks that they are used to ignite the air fuel mixture in the engine.

What are the signs of a bad ignition coil?

Signs of a Bad Ignition Coil. 1 Illuminated Check Engine Light. With most modern vehicles, a faulty ignition coil is enough to turn on the Check Engine Light. If you have an OBD-II 2 Misfiring Engine. 3 Hard Starts. 4 Worsening Gas Mileage. 5 Diminished Power.

What happens when a car has a coil failure?

Your vehicle will cough and splutter regularly. When you drive at high speeds, your vehicle will jerk and spit. It will also vibrate when you are running idle at a stop sign or intersection. With ignition coil failure, your vehicle will have irregular sparks emitting to the plugs to keep it running. This will result in stalling.

Is it easy to replace an ignition coil?

The issue can also lead to a significant decline in engine performance, making your car difficult to drive. The good news is, most ignition coils are relatively inexpensive and easy to replace. That means you (or your mechanic) can repair your car and have it back on the road in a short amount of time.

Author Image
Ruth Doyle