There’s a an excellent chance friend will have to replace your old and also worn spark plugs numerous times over the course of owning a 2001-2005 Honda Civic. Spark plugs are one of the most crucial parts inside your engine as they trigger the whole combustion procedure that starts and also keeps her engine running. Like many engine components, spark plugs suffer wear end time and eventually should be replaced, however fortunately this is a fix you have the right to do yourself. Odds are, if you’ve uncovered yourself here, you have actually no idea how to do that, or perhaps you’d just like to understand what kind of spark plugs you must buy. The entire process of an altering your spark plugs should take approximately 20-30 minutes. This write-up will walk over every little thing you’ll have to know about your Honda Civic’s spark plugs, even if it is you require some general information or a full, step-by-step overview to performing a spark plug change.

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Correct Spark Plugs

For the LX, EX, GX, DX, and also HX models that the 2001-2005 Honda Civic, you have to use NGK ZFR6F-11 V-Power Spark Plugs. These spark plugs are an exact fit and will enhance the compelled specifications for her engine. Friend can additionally purchase all four spark plugs together one package.

We recommend NGK ZFR6F-11 V-Power Spark Plugs for typical 2001-2005 Honda Civics.


If instead, your civic is a 2.0L Si Model, friend will have to use Denso PK20TT Platinum Spark Plugs. Over there are absolutely all various kinds of spark plugs the end there that will appropriately fit a vehicle as prolific and also popular as the Honda Civic, but the spark plugs we recommended are made by reliable manufacturers and offer a an excellent price point.

Denso PK20TT Platinum Spark Plugs room recommended because that the public Si.

How often should I readjust my spark plugs?

In general, you have to replace your spark plugs every 20,000 to 40,000 miles. I personally shot to change spark plugs every 30,000 mile on many conventional vehicles favor a Honda Civic. That course, if girlfriend drive your vehicle more aggressively or very own a Honda public with part performance modifications, you might want come consider transforming your spark plugs closer come the 20,000 miles finish of that spectrum.

However, there are likewise classic signs of a car that needs a spark plug replacement early, such as:

Engine misfiringRough idleProblems beginning your engine

Additionally, if girlfriend are simply unsure that the last time the spark plugs to be changed, it’s worth it simply to go ahead and readjust them now. Perform yourself (or the next owner) a favor and keep a notebook in the glove-box to serve as a document of spark plug changes , or oil changes, etc.

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Changing her spark plugs

To readjust your 2001-2005 Honda Civic’s spark plugs, you will require the complying with tools:

Flat-blade screwdriverSocket wrench with a matching 10mm attachment

The process for changing your spark plugs is relatively simple. Simply take her time and also pay attention to all instructions. Make sure that her engine is completely cool prior to doing this fix or you may damage your engine or spark plugs.

Pop the hood come gain access to the engine bay.Remove the an adverse terminal from your battery. It’s a an excellent idea come disconnect the battery at any time you work on the electrical system of your Civic.We’re going to start by remove the engine block cover. Friend will an alert two large slotted screws on either side of the ‘Honda’ logo. Take her flat-blade screwdriver and also remove those. After, you deserve to remove that engine block cover.’Next, simply unhook the spark plug wire connectors.Each spark plug coil is hosted down by part 10mm nuts. Simply loosen them enough to pull the spark plug coils out of the engine.Slide each spark plug coil the end of the engine.Take your spark plug deep socket and loosen each spark plug completely. Removed the actual spark plugs have the right to be slightly complicated as they room recessed right into the engine, but pull lock up carefully with the deep socket.Now we’re going to prepare the new spark plugs. These plugs need to be gapped to 1.1 mm, or 0.044 in. Usage your spark plug space tool to inspect that every plug is gapped that much. If not, you deserve to use your gap tool to change the gap. Just don’t go earlier and forth too much or you could damage the plug!Lightly apply some anti-seize to the spark plug threads.Start turning the brand-new spark plugs in by hand. Girlfriend will must use the socket wrench extension. If you carry out not rotate them through hand initially, you run the hazard of stripping the threads. Merely turn the plugs by hand and if you satisfy any significant resistance, earlier them out and start again.Use your torque wrench to torque the spark plugs down to 13 ft./lbs.Re-insert the spark plug coils.Reconnect the spark plug wire connectors.Tighten the 10mm nuts again come secure the spark plug coils.Put the engine block cover back on and screw the slotted screws ago in to secure the in place.Reconnect your battery.Start up your engine and also verify that every little thing still works!