A Guide to Ignition Coils for the 2007-2012 Dodge Caliber
Fix your Caliber's rough idle and misfires by understanding how to choose the right replacement ignition coil.
- A rough idle, hesitation, and a Check Engine Light with a P030X code are classic signs of a bad ignition coil on a Caliber.
- This is an extremely easy DIY repair that requires only a T30 Torx driver and less than an hour of your time.
- For best results, replace all four ignition coils and spark plugs at the same time, especially if over 80,000 miles.
- Quality aftermarket brands like NGK and Delphi offer OEM performance for a lower price than Mopar parts.
Is Your Dodge Caliber Running Rough? It Could Be an Ignition Coil.
If your 2007-2012 Dodge Caliber is suddenly running poorly, shaking at idle, or losing power, a failing ignition coil is a very common cause. These parts are known to wear out over time. The Check Engine Light will almost always come on, giving you codes that point to a specific cylinder misfire, like P0301, P0302, P0303, or P0304. A flashing check engine light is serious and means you should stop driving to prevent damage to your catalytic converter.
Choosing the Right Aftermarket Ignition Coil
When shopping for a replacement, you'll find Mopar (the original factory part) and many aftermarket brands. For a daily driver, a quality aftermarket coil can provide OEM-level performance for less money. Here’s how the brands generally stack up for your Caliber:
- Premium Aftermarket (OEM Quality): Brands like NGK, Delphi, and Hitachi are well-respected manufacturers that often supply the original parts for many car brands. They are known for excellent reliability and are a top choice if you want the best quality without paying for the Mopar box.
- Reputable Aftermarket: Standard Motor Products (SMP) is a long-standing brand that offers good quality parts. Forum users generally have positive experiences with their standard line. They can be a great balance of price and quality.
- Value-Oriented Brands: Brands like DriveWire, Global Parts, and Spectra fall into the budget-friendly category. While they are the most affordable option, their long-term durability may not match the premium brands. They can be a good choice if you're on a tight budget, but be aware that some owners report premature failures with lower-cost coils.
Pro Tip: Replace Coils and Plugs Together
It is highly recommended to replace all four ignition coils at the same time, especially on a higher-mileage Caliber. Coils are subjected to the same conditions, and when one fails, the others are often not far behind. While you are replacing the coils, it is the perfect time to also install a new set of spark plugs. Worn-out spark plugs can put extra strain on the ignition coils, causing them to fail sooner.
How Much Does an Ignition Coil Replacement Cost for a Dodge Caliber?
Replacing the ignition coils on a Caliber is one of the more affordable repairs. The parts are relatively inexpensive, and the labor is very straightforward.
| Part/Service | Estimated Cost |
|---|---|
| New Aftermarket Ignition Coil (Single) | $28 - $70 |
| New Aftermarket Ignition Coil (Set of 4) | $80 - $140 |
| Shop Labor | $50 - $150 |
| Total Estimated Cost (DIY) | $80 - $140 (for a set) |
| Total Estimated Cost (At a Shop) | $130 - $290 (for a set) |
Cost estimates are based on national averages and may vary by location and part brand.
Frequently Asked Questions
Can I replace just one bad ignition coil?
Yes, you can replace only the single failed coil to fix an immediate misfire. However, it is a common best practice to replace all of them at once, as they are all the same age and have endured the same wear. This can prevent you from having to repeat the repair in a few months when another original coil fails.
Is an ignition coil the same as a spark plug?
No. The ignition coil sits on top of the spark plug. The coil's job is to generate the high voltage, and the spark plug's job is to use that voltage to create a spark inside the engine cylinder. They are two separate but related parts.
What tools do I need to replace the coils on my Caliber?
This is a very simple job that only requires basic tools. All you need is a ratchet with a T30 Torx socket or a T30 Torx driver to remove the single bolt holding each coil in place.
What do the misfire codes (P0301, P0302, etc.) mean?
These are very helpful codes. The 'P030' part indicates a misfire, and the last number tells you which cylinder is having the problem. For example, P0301 is a misfire on cylinder 1, P0302 is on cylinder 2, and so on. The cylinders on your Caliber are numbered 1-2-3-4 from left to right as you face the engine from the front of the car.
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Technical Specifications
OEM Part Numbers: 5007899AA 05007899AA 4606869AB 4606869AC
The Dodge Caliber uses a 'Coil-on-Plug' (COP) system. Each coil is a single, independent unit that mounts directly to the valve cover above the spark plug with one T30 Torx bolt.
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The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
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