There’s a good chance you will have to replace her old and worn spark plugs numerous times over the food of owning a 2001-2005 Honda Civic. Spark plugs are among the most an essential parts inside her engine together they trigger the whole combustion procedure that starts and also keeps her engine running. Like many engine components, spark plugs experience wear over time and also eventually should be replaced, however fortunately this is a fix you have the right to do yourself. Odds are, if you’ve found yourself here, you have actually no idea exactly how to carry out that, or probably you’d as with to know what kind of spark plugs you should buy. The entire procedure of an altering your spark plugs should take about 20-30 minutes. This write-up will go over every little thing you’ll need 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 the the 2001-2005 Honda Civic, you must use NGK ZFR6F-11 V-Power Spark Plugs. These spark plugs are specific fit and also will complement the required specifications for your engine. You can additionally purchase all 4 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 need to use Denso PK20TT Platinum Spark Plugs. There are definitely all different kinds that spark plugs out there that will correctly fit a automobile as prolific and also popular as the Honda Civic, however the spark plugs us recommended space made by trustworthy manufacturers and offer a good price point.

Denso PK20TT Platinum Spark Plugs are recommended for the civic Si.

How regularly should I adjust my spark plugs?

In general, you need to replace her spark plugs every 20,000 to 40,000 miles. I personally try to readjust spark plugs every 30,000 miles on many conventional vehicles prefer a Honda Civic. Of course, if friend drive your vehicle an ext aggressively or very own a Honda civic with some performance modifications, you might want come consider an altering your spark plugs closer come the 20,000 miles end of that spectrum.

However, there are likewise classic indications of a auto that requirements a spark plug replacement early, such as:

Engine misfiringRough idleProblems starting your engine

Additionally, if friend are merely unsure the the last time the spark plugs to be changed, it’s worth it simply to go ahead and readjust them now. Carry out yourself (or the following owner) a favor and also keep a notebook in the glove-box to offer as a document of spark plug changes , or oil changes, etc.

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Changing your spark plugs

To adjust your 2001-2005 Honda Civic’s spark plugs, you will need the following tools:

Flat-blade screwdriverSocket wrench v a matching 10mm attachment

The procedure for transforming your spark plugs is relatively simple. Just take your time and pay attention to all instructions. Make certain that her engine is totally cool before doing this fix or you may damage your engine or spark plugs.

Pop the hood to gain accessibility to the engine bay.Remove the an adverse terminal from her battery. It’s a good idea come disconnect the battery anytime you work-related on the electrical system of her Civic.We’re walking to start by removing the engine block cover. You will notice two huge slotted screws top top either next of the ‘Honda’ logo. Take your flat-blade screwdriver and remove those. After, you deserve to remove that engine block cover.’Next, just unhook the spark plug wire connectors.Each spark plug coil is organized down by some 10mm nuts. Just loosen them sufficient to pull the spark plug coils the end of the engine.Slide every spark plug coil the end of the engine.Take your spark plug deep socket and loosen every spark plug completely. Removing the yes, really spark plugs deserve to be slightly an overwhelming as they space recessed right into the engine, yet pull lock up closely with the deep socket.Now we’re going to prepare the brand-new spark plugs. These plugs should be gapped to 1.1 mm, or 0.044 in. Use your spark plug void tool to inspect that each plug is gapped that much. If not, you have the right to use your void tool to readjust the gap. Simply don’t go ago and soon too lot or you might damage the plug!Lightly use some anti-seize come the spark plug threads.Start turning the new spark plugs in through hand. Girlfriend will have to use the socket wrench extension. If you do not revolve them by hand initially, you run the danger of stripping the threads. Merely turn the plugs by hand and also if you meet any significant resistance, earlier them out and start again.Use your torque wrench come torque the spark plugs under to 13 ft./lbs.Re-insert the spark plug coils.Reconnect the spark plug cable connectors.Tighten the 10mm nuts again to secure the spark plug coils.Put the engine block cover back on and also screw the slotted screws back in come secure that in place.Reconnect her battery.Start up your engine and verify that everything still works!