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Coil Pack Problems. Usually, if a coil pack is bad, there will be a loss of fire or spark in one or more cylinders. This causes what's commonly referred to as misfiring. Misfiring can cause drag on the crankshaft, and usually results in a very poor performing engine. Common Symptoms of a Faulty Coil Pack

www.doityourself.com/stry/6-symptoms-of-ignition-coil-failure

6 Symptoms of an Ignition Coil Failure If your vehicle is behaving erratically and you have problems with it running smoothly, it could be showing signs of ignition coil failure. The ignition coil takes power from the generator and relays it to the spark plugs.

www.reference.com/vehicles/symptoms-bad-coil-pack-9551e2a...

Symptoms of a bad coil pack include rough engine idling, misfiring, lack of power during acceleration, gasoline odor emanating from the exhaust system and illumination of the check engine light. In newer vehicles, the coil pack replaces the distributor.

cartreatments.com/bad-ignition-coil-symptoms

The failed or weak ignition coil symptoms may vary depending on the severity of the ignition coil failure. Here are some of the most common symptoms of bad ignition coil. #1 – Backfiring. Backfiring caused by your vehicle can indicate the symptoms of the ignition coil failure in its early stages.

carfromjapan.com/.../detect-faulty-coil-pack-symptoms

How to Detect Faulty Coil Pack Symptoms. 4.8 (96%) 5 votes ... However, voltage overload caused by plug wires or bad spark plugs is the most common reason for their failure. If you spot any of the faulty coil pack symptoms, you should diagnose them to see if they have any problem. A few methods of diagnosing faulty coils have been discussed below:

www.quora.com/What-are-symptoms-of-ignition-coil-failure

Here are the 6 symptoms of Ignition Coil Failure: Backfiring If your vehicle is backfiring, this can indicate early symptoms of an ignition coil failure. This occurs when unused fuel is emitted through the exhaust system. If you do not address the issue, you can also do serious damage to your exhaust, resulting in unnecessary and costly repairs.

www.fordmods.com/.../coil-pack-failure-symptoms-t26058.html

Coil Pack Failure symptoms - Ford Modifications Website. basically where the distributor would be if it had one. i took my airbox out to give myself more room as it is a bit tight to get to it.

www.yourmechanic.com/article/symptoms-of-a-bad-or-failing...

As the ignition coil is the component responsible for generating the engine spark, any problems with it can quickly lead to engine performance issues. Usually a faulty ignition coil will produce a few symptoms that alert the driver of a potential issue.

auto.howstuffworks.com/symptoms-ignition-coil-failure.htm

What are some symptoms of ignition coil failure? by HowStuffWorks.com Contributors Next . Your car engine has a coil, which is basically a high-voltage transformer composed of two wire coils. ... Any malfunctions in this setup could be a result of ignition coil failure. All of these parts are subjected to a lot of wear and tear, thanks to the ...

www.reference.com/vehicles/signs-failing-ignition-coil...

The ignition coil is responsible for taking power from the battery and relaying the power to the spark plugs. This ignites the fuel and makes a car run. The severity of the symptoms of a failing ignition coil varies depending on which ignition coil is failing. A bad ignition coil sometimes causes a vehicle to not start at all.