- Category
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- 3.5L V6 1
2004
The 2004 Nissan Murano uses six individual ignition coil on plugs that can cause the engine to run rough if they fail. We have loads of important information on what to do before you attempt to replace the ignition coils. No, it's not the difficulty of the job itself that we want to warn you about. The intake manifold comes off without much trouble when it comes to changing the back three coils. The important information is on the main ground for the electrical system. This is known to break on this generation Nissan Murano, and cause all sorts of electrical issues, including melted ignition coils and a burnt ECU (main computer). Replacing the ignition coils without resolving any grounding issues will certainly result in the new coils failing almost as soon as you turn the key, if not a few days later if you are lucky enough to make it that long. Keep reading below to learn how to avoid doing this job twice. If everything checks out good, we have the full set of six lifetime warranty ignition coils for a price that will blow you away. Continue on to see what we have in store.
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Ignition Coils For 2004 Nissan Murano
If you are looking to replace the ignition coils in your 2004 Murano 3.5L V6, you've come to the right place. We have a how-to guide that can help you with the replacement of these ignition coils. The cost of these ignition coils is pretty expensive when you go to the local store. They can cost from $50- 50 $100 each or more. Yes, that is EACH. We have the entire set of 6 ignition coils for much lower prices than the local auto store. The ignition coil on plug setup used in the 2004 Nissan Murano was designed to allow for much better control of the ignition timing, allowing for better fuel economy, emissions, and power. As the six ignition coils age, the plastic shell or epoxy can crack, causing the spark to arch out. This will certainly be felt as a rough running engine, and a check engine light will turn on. Finding which cylinder is misfiring will help you identify if your problem is the ignition coil. With an OBDII scanner (under $20 at many online retailers) you can scan the check engine light for a misfire code. If your engine is misfiring, you will get a code ranging from P0300 (random misfire), P0301 (cylinder number one misfire) through P0306 (cylinder number 6 misfire). Once you locate the cylinder, swap the ignition coil over to another cylinder and reset the ECU. If the misfire code changes to the cylinder the presumed faulty ignition coil was moved to, then you will know for sure that the coil is bad. If the coils are several years old, or even original, it's best to replace all 6 at the same time. This isn't to sell you more. This is because old ignition coils, tend to fail not too far apart from each other, just like old headlight bulbs. Besides the savings you will get from purchasing the set of 6 at the same time, you will also save time by not having to remove the intake manifold. There are three ignition coils under the intake manifold, and while the intake manifold was designed to be easily removed for service, why do it more than once?
2004 Nissan Murano Ground Cable Issues
This is another item than MUST be checked before replacing the ignition coils in this vehicle. The 2004 Nissan Murano and other 3.5L V6 (VQ35) Nissan Models of this generation had issues with the main ground cable breaking. This cable goes from the negative terminal on the battery to the transmission. Many owners have reported the connection at the transmission breaking off. This can happen with corrosion, but a bad engine mount can also accelerate this. If you hear a thud while you accelerate your Murano from a stop, then you may have a bad engine mount, and you'll want to get it checked and resolved as soon as possible. The first components to suffer damage from a faulty ground cable are the ignition coils and the ECU. This may cause all sorts of electrical issues with your Nissan Murano until these components are checked and replaced as necessary. There are companies that rebuild ECUs that we can also refer you too. This will save you significantly more money over spending thousands on a new ECU.
Even though we are an auto parts company, we want you to save as much money as possible, and part of that is to prevent you from having to do the same job twice. We hope this has helped you in your journey to getting your 2004 Murano back and running like a champion once again.
