There’s a great chance friend will should replace your old and also worn spark plugs number of times end the food of owning a 2001-2005 Honda Civic. Spark plugs are among the most crucial parts inside your engine as they cause the whole combustion process that starts and keeps your engine running. Like many engine components, spark plugs suffer wear end time and eventually have to be replaced, however fortunately this is a fix you can do yourself. Odds are, if you’ve found yourself here, you have no idea just how to execute that, or probably you’d as with to know what sort of spark plugs you must buy. The entire process of an altering your spark plugs should take about 20-30 minutes. This write-up will walk over everything you’ll must know around your Honda Civic’s spark plugs, even if it is you require some basic information or a full, step-by-step guide to performing a spark plug change.

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Correct Spark Plugs

For the LX, EX, GX, DX, and HX models of the 2001-2005 Honda Civic, you must use NGK ZFR6F-11 V-Power Spark Plugs. These spark plugs are specific fit and also will enhance the forced specifications for your engine. Girlfriend can also 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, you will have to use Denso PK20TT Platinum Spark Plugs. Over there are certainly all various kinds the spark plugs out there that will correctly fit a vehicle as prolific and also popular together the Honda Civic, however the spark plugs us recommended are made by reliable manufacturers and offer a good price point.

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

How regularly should I readjust my spark plugs?

In general, you have to replace her spark plugs every 20,000 to 40,000 miles. I personally shot to readjust spark plugs every 30,000 miles on many conventional vehicles favor a Honda Civic. That course, if friend drive your vehicle much more aggressively or very own a Honda public with some performance modifications, you may want come consider changing your spark plugs closer come the 20,000 miles end of the spectrum.

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

Engine misfiringRough idleProblems starting your engine

Additionally, if friend are just unsure of the last time the spark plugs to be changed, it’s precious it simply to walk ahead and change 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 transforms , or oil changes, etc.

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Changing your spark plugs

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

Flat-blade screwdriverSocket wrench with a corresponding 10mm attachment

The process for transforming your spark plugs is reasonably simple. Simply take her time and also pay fist to every instructions. Make sure that her engine is completely cool prior to doing this fix or girlfriend may damage your engine or spark plugs.

Pop the hood to gain access to the engine bay.Remove the an unfavorable terminal from her battery. It’s a an excellent idea come disconnect the battery anytime you work on the electric system of your Civic.We’re going to start by removing the engine block cover. You will an alert two huge slotted screws ~ above either side of the ‘Honda’ logo. Take her flat-blade screwdriver and also remove those. After, you have the right to remove the engine block cover.’Next, simply unhook the spark plug cable connectors.Each spark plug coil is hosted down by part 10mm nuts. Merely loosen them enough to pull the spark plug coils the end of the engine.Slide each spark plug coil the end of the engine.Take your spark plug deep socket and also loosen every spark plug completely. Removing the actual spark plugs have the right to be slightly complicated as they space recessed into the engine, however pull castle up closely with the deep socket.Now we’re going to prepare the new spark plugs. These plugs must be gapped to 1.1 mm, or 0.044 in. Usage your spark plug gap tool to check that every plug is gapped that much. If not, you have the right to use your space tool to adjust the gap. Just don’t go ago and soon too much or you might damage the plug!Lightly apply some anti-seize to the spark plug threads.Start transforming the new spark plugs in through hand. Girlfriend will must use the socket wrench extension. If you execute not rotate them through hand initially, you run the threat of stripping the threads. Just turn the plugs by hand and if you accomplish any far-ranging resistance, ago 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 come secure the spark plug coils.Put the engine block cover ago on and screw the slotted screws earlier in to secure it in place.Reconnect your battery.Start up her engine and verify that everything still works!