Jeep Compass Ignition Coil Guide for 2017-2024 Models
Experiencing engine misfires or a rough idle? Your ignition coils might be the culprit.
- Failing ignition coils are a common cause of misfires, rough idle, and power loss in the 2017-2024 Jeep Compass.
- This is a very easy and affordable DIY repair, requiring basic tools and less than an hour of time.
- If one coil fails, it's best practice to replace all four at once, along with the spark plugs.
- A flashing check engine light signals a severe misfire; you should stop driving to avoid damaging the catalytic converter.
Is Your Compass Running Rough? It Could Be an Ignition Coil.
If your 2017-2024 Jeep Compass starts to run poorly, a failing ignition coil is a common suspect. These parts work hard under the hood and are exposed to intense heat, which causes them to wear out over time. When a coil fails, it can't deliver the strong spark needed for proper combustion, leading to noticeable engine problems. Continuing to drive with a bad coil can cause more expensive damage, particularly to the catalytic converter.
Symptoms of a Failing Ignition Coil in a Jeep Compass
A bad ignition coil can make itself known in several ways. You might not experience all of these, but even one is a sign to get your ignition system checked.
- Check Engine Light: This is often the first sign. The light may be steady or flashing. A flashing light indicates a serious misfire that could damage your catalytic converter. Common codes include P0300 (random misfire) or P0301, P0302, P0303, P0304, which point to a misfire in a specific cylinder.
- Engine Misfires and Rough Idle: Your engine may shake, sputter, or run unevenly, especially when stopped at a light. This happens because one or more cylinders aren't firing correctly.
- Loss of Power: You may notice your Compass feels sluggish and doesn't accelerate as quickly as it should.
- Difficulty Starting: A weak coil may not provide enough spark to start the engine easily, causing it to crank for longer than usual.
- Worse Fuel Economy: When your engine isn't running efficiently due to misfires, it burns more fuel.
Known Issues and TSBs
While no widespread recalls for ignition coils on the 2017-2024 Jeep Compass were found, a Technical Service Bulletin (TSB #9004453 / #18-033-19) was issued for some 2.4L engines. This TSB addresses potential misfires (MIL illumination) by replacing the ignition coil insulating boots. This suggests that sometimes the boot fails before the coil itself. If you're replacing coils, it's wise to ensure the new ones have high-quality boots.
Choosing a New Aftermarket Ignition Coil
When it's time to replace your coils, you'll find OEM Mopar parts and a wide variety of aftermarket options. While some Jeep owners prefer to stick with OEM parts for electronics, many aftermarket brands offer excellent quality and value.
Here’s a breakdown of available brands from our inventory, tiered by general reputation and quality:
- Top Tier (OEM or Equivalent): These brands are known for meeting or exceeding original equipment specifications. They are a reliable choice for longevity and performance. Brands like Bosch, Delphi, Denso, and NGK are well-regarded in the industry. Mopar is the original part, but often one of these brands is the actual manufacturer for the factory part.
- Mid-Tier (Reliable Aftermarket): These brands provide a good balance of quality and price. They are a popular choice for daily drivers. This category includes brands like Hitachi, Standard Ignition (SMP), and Spectra.
- Economy Tier (Value-Focused): These brands offer a budget-friendly solution. While they can be a good option for a quick fix or an older vehicle, their long-term durability may not match the higher-tiered brands. This includes brands like DriveWire and Global Parts.
Pro Tip: Replace in Sets
Ignition coils generally have a similar lifespan. If one has failed due to age and mileage, the others are likely not far behind. To save yourself future headaches and ensure balanced engine performance, it's highly recommended to replace all four coils at the same time, especially if your Compass has over 100,000 miles. It's also a great time to inspect and likely replace your spark plugs.
How Much Does an Ignition Coil Replacement Cost?
The cost can vary, but it's a very manageable repair for the Jeep Compass. The job is straightforward and doesn't require extensive labor.
| Part or Service | Estimated Cost |
|---|---|
| DIY Aftermarket Coil (Each) | $28 - $75 |
| OEM Mopar Coil (Each) | $80 - $115 |
| Shop Labor | $71 - $104 |
| Total Professional Replacement | $151 - $218 (for one coil) |
Frequently Asked Questions
Is replacing the ignition coils on a Jeep Compass a DIY job?
Yes, this is a very DIY-friendly job. The ignition coils are located directly on top of the engine, easily accessible after removing the plastic engine cover. The only tools needed are typically a ratchet with a 10mm socket or a T27/T30 Torx bit. The entire job for all four coils can usually be done in under an hour.
🎬 See this step-by-step guide for replacing coils and plugs.Should I replace spark plugs with the ignition coils?
It is highly recommended. Worn spark plugs can put extra strain on the ignition coils, causing them to fail prematurely. Since you already have the coils removed, accessing the spark plugs is simple. Replacing them at the same time is efficient and good preventative maintenance.
What's the difference between a P0300 and a P0301 code?
A P0300 code means "Random/Multiple Cylinder Misfire Detected." This means the engine's computer knows there's a misfire but can't pinpoint which cylinder. A code like P0301, P0302, etc., is more specific. The last digit tells you the cylinder number that is misfiring (e.g., P0301 is cylinder 1). This helps you diagnose whether it's a single bad coil or a more widespread issue.
🎬 Watch: Understanding misfire codes and what causes them.How do I know which coil is bad?
If you have a specific code like P0302, that points to the coil on cylinder 2. If you have a P0300 random misfire code and don't want to replace all four coils, you can test them. A common DIY method is to swap the suspected bad coil with a known good one from another cylinder. For example, swap the coils from cylinder 1 and cylinder 2. Clear the codes and run the engine. If the code changes from P0301 to P0302, you've confirmed the coil is faulty.
🎬 Watch a pro diagnose a tricky intermittent misfire.Helpful Videos
Technical Specifications
OEM Part Numbers: 4606824AC 68242286AB
This vehicle uses four individual 'coil-on-plug' style ignition coils. Each coil is held in place by a single 10mm or T27/T30 Torx bolt.
We Have This Part in Stock
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.
- Jeep Compass:
- 🎬 Helpful Videos
- 🛍️ Shop This Part
- Is Your Compass Running Rough? It Could Be an Ignition Coil.
- Symptoms of a Failing Ignition Coil in a Jeep Compass
- Known Issues and TSBs
- Choosing a New Aftermarket Ignition Coil
- Pro Tip: Replace in Sets
- How Much Does an Ignition Coil Replacement Cost?
- Frequently Asked Questions
- 🎟️ Get 5% Off