There’s a good chance you will have to replace your old and worn spark plugs numerous times over the course of owning a 2001-2005 Honda Civic. Spark plugs are among the most critical parts inside her engine together they create the whole combustion process that starts and keeps your engine running. Like most engine components, spark plugs suffer wear over time and eventually must 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 no idea exactly how to carry out that, or probably you’d similar to to recognize what type of spark plugs you need to buy. The entire process of an altering your spark plugs should take around 20-30 minutes. This write-up will go over every little thing you’ll have to know around your Honda Civic’s spark plugs, whether you need 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 HX models the the 2001-2005 Honda Civic, you must use NGK ZFR6F-11 V-Power Spark Plugs. These spark plugs are an exact fit and also will match the compelled specifications for her engine. Friend can likewise purchase all 4 spark plugs as one package.

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


If instead, your public is a 2.0L Si Model, friend will have to use Denso PK20TT Platinum Spark Plugs. Over there are certainly all various kinds the spark plugs out there the will correctly fit a auto as prolific and popular as the Honda Civic, however the spark plugs us recommended are made by trustworthy manufacturers and offer a good price point.

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

How often should I adjust my spark plugs?

In general, you have to replace your spark plugs every 20,000 come 40,000 miles. Ns personally shot to adjust spark plugs every 30,000 mile on many conventional vehicles favor a Honda Civic. That course, if friend drive your vehicle more aggressively or own a Honda civic with some performance modifications, you might want come consider transforming your spark plugs closer to the 20,000 miles end of the spectrum.

However, over there are additionally classic indications of a car that demands a spark plug replacement early, such as:

Engine misfiringRough idleProblems beginning your engine

Additionally, if girlfriend are merely unsure the the critical time the spark plugs were changed, it’s precious it simply to go ahead and adjust them now. Do yourself (or the next owner) a favor and 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 her spark plugs

To adjust your 2001-2005 Honda Civic’s spark plugs, girlfriend will require the adhering to tools:

Flat-blade screwdriverSocket wrench v a matching 10mm attachment

The procedure for transforming your spark plugs is fairly simple. Just take her time and also pay attention to all instructions. Make sure that her engine is totally cool prior to doing this fix or girlfriend may damages your engine or spark plugs.

Pop the hood to gain access to the engine bay.Remove the an adverse terminal from her battery. It’s a good idea to disconnect the battery whenever you work on the electrical system of her Civic.We’re walk to start by remove the engine block cover. Girlfriend will an alert two huge slotted screws on either next of the ‘Honda’ logo. Take her flat-blade screwdriver and also remove those. After, you deserve to remove the engine block cover.’Next, simply unhook the spark plug cable connectors.Each spark plug coil is hosted down by some 10mm nuts. Just loosen them enough to traction the spark plug coils out of the engine.Slide each spark plug coil the end of the engine.Take her spark plug deep socket and loosen every spark plug completely. Removed the really spark plugs deserve to be slightly difficult as they space recessed right into the engine, however pull castle up carefully 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. Usage your spark plug space tool to examine that each plug is gapped that much. If not, you deserve to use your space tool to readjust the gap. Just don’t go back and soon too much or you might damage the plug!Lightly apply some anti-seize to the spark plug threads.Start transforming the brand-new spark plugs in through hand. Girlfriend will must use the socket wrench extension. If you execute not revolve them by hand initially, you operation the danger of stripping the threads. Merely turn the plugs through hand and also if you satisfy any far-ranging resistance, earlier them out and start again.Use your torque wrench to torque the spark plugs under to 13 ft./lbs.Re-insert the spark plug coils.Reconnect the spark plug wire connectors.Tighten the 10mm nuts again to 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 her battery.Start up her engine and verify that whatever still works!