Bad Coil Packs are among the more problematic ignition worries that can occur with thePontiac G6. A negative oil fill deserve to make your G6 virtually un-drivable. Or it may have little impact at all on the engine’s ability to run. It’ll obtain worse as they lose their ability to fire the spark plugs.

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Coil Packs take the location of the distributor and coil in older vehicles. They receive instruction from the engine’s computer on as soon as to fire the spark plugs. The symptoms of bad coil packs are virtually the same as negative spark plugs. So much so that it’s actually a better principle to look at the plugs first.

Pontiac G6: Bad Spark Plugs →

If you carry out must rearea them all, they can be rather pricey. It is possible to isolate which coil fill is poor by using a multimeter. Here’s a good YouTube video on how to do just that. This have the right to conserve you many money over just replacing the entirety collection at one time.


Typical Bad Coil Pack Symptoms: Pontiac G6

There are most potential symptoms related to negative coil packs in your G6. We constantly recommfinish using an OBDII scanner to pull your trouble codes if the company engine soon light is on. It have the right to really narrowhead your search down. If you don’t have one, your regional parts save have the right to execute this for you at no charge.

Here are the most common symptoms of negative coil packs:

1. Service Engine Soon Light

The check engine light is among the most prevalent symptoms of negative Coil Packs. More regularly than not, your engines computer will be able to detect poor Coil Packs in your G6.

There are several misfire related trouble codes.

Tbelow are other misfire related codes too.


2. Acceleration isn’t Normal

As you hit your G6’s gas pedal, the fuel and also ignition systems respond. If acceleration has actually diminimelted, it must be felt. The less cylinders that your engine has, the more that one cylinder not firing effectively will have actually an impact on engine performance.

If you have actually one or even more negative Coil Packs, it’ll cause the acceleration of the G6 to be weaker, and also you’ll most likely feel a jerking sensation.

3. Fuel Economy

The less reliable the combustion of your engine, the more fuel is going to be wasted. This leads to a decrease in fuel economy. When you take your automobile in for a tune up as a result of decreased fuel economic climate, checking the ignition mechanism in general (including the coil packs) is going to be one of the extremely first places that a mechanic is going to look at.

4. Misfire

Misfiring is the the majority of common symptom of poor Coil Packs. Anything else that you may feel is a result of the misfiring itself. The genuine question is, what is resulting in the misfire? Tright here is more to your G6’s ignition system than just the coil packs. There’s also spark plugs and plug wires.

Tright here are additionally non ignition associated circumstances that deserve to reason a misfire. That would certainly incorporate absence of fuel push, negative fuel injectors, or also a timing chain (or belt) that has actually jumped. Due to the fact that there are so many type of reasons that a auto can misfire, we recommend experimentation for trouble codes first.

5. Rough Idling

When a Spark Plug is misfiring, it is often most pronounced at idle speed. This is because as soon as the engine transforms slower, it is less complicated to detect. You’ll feel a stormy vibration.

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Conclusion: Bad Coil Packs Pontiac G6

Be aware that virtually all symptoms of a bad coil pack in your G6 can also be other issues via the ignition system too. Good luck diagnosing the problem! Feel free to leave a comment listed below if tbelow is anypoint that you would certainly favor to include.