Question about 2003 Suzuki Aerio

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Spark Plugs Replacement

Hi, first time owner of '03 Suzuki Aerio, need some coaching on replacing the spark plugs. Can anyone help?

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When you look at the engine you should see a black plastic cover over the top, you have to remove the (4) bolts that should allow you access to the top of your motor. You will then have to remove The bolts that are holding your plugwires to the top of your engine. Once removed you will then have to pull up on the wires, you will then see that your spark plugs. Note you will need at least a 6 inch extension to be able to reach the plugs. Good Luck

Posted on Apr 25, 2009


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Suzuki Aerio won't turn over

If it cranks it turns over just to clarify.
The plugs may be fuel fouled and not sparking inside the cylinders. Its possible one of the injectors is shorted to ground and making all of the injectors stay open.
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What is most suitable spark plug

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Sep 15, 2011 | 2003 Suzuki Aerio

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What size spark plug socket fits a 2006 suzuki aerio

You will need a 16mm plug spanner with at least a 6 inch extension.

First, remove plastic guards on top of engine. It's located on the head of the engine block. Unplug and pull upward 4 black smaller rectangular boxes which held down by a screw in the corner of each. The bottom of this tube is connects to the top of the spark plugs. You will need a socket extension to get the spark plug socket that far down. Remove plugs then re-assemble everything. To avoid confuse on the wiring order, do one completely before going to the next.
Tighten plugs to 18 ft. lbs. (25 Nm).
Beware that the engine you have MAY be fitted with Iridium plugs, and such do not need to be replaced until after 80.000 - 100.000 km.

If you replace the plugs with conventional copper ones, you will need to adjust the gap on each one of them according to the spec of your engine.

Jun 21, 2011 | 2006 Suzuki Aerio

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2003 suzuki aerio and I got code p0303. Found damage spark plug and replaced but car still shudders a lot when in slow speeds/ idle as if it is having trouble maintaining power. Any ideas what could be the...

Thanks for choosing FixYa and welcome. There are a few things that can cause this to happen. Make sure you do not have a vaccum leak anywhere. It may be another spark plug or wire. It may be a clogged fuel filter or air filter. You may need a tune up, new plugs and wires, coil pack. If you have a distributor, change the cap.

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1 Answer

Spark plugs which are used by the 2003 Suzuki Aerio

NGK SPARK PLUGS: 2002-2005 Suzuki Aerio

NGK BKR5EGP G-POWER PLATINUM SERIES SPARK PLUG, SOLD INDIVIDUALLY -- 14 mm thread, 19 mm reach,16 mm hex size, gasket seat, resistor, solid terminal, JIS height, projected tip, platinum tipped center electrode, trapezoid beveled cut ground electrode, 1.02 mm gap, heat range 5; The best platinum spark plug at an economical cost; Features fine platinum tip that reduces required voltage; Provides faster starts and quicker acceleration; Extremely durable under high heat; Trivalent metal plating offers superior anti-corrosion and anti-seizing properties

.Thank you for using fixya

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I have a 2003 Suzuki Aerio and it stopped running. It tries to start but can not get any fire to the spark plugs. Does anyone know what could be wrong?

The fact that your car tries to start tells me that your starter, alternator and battery are all probably good.
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I want to change the spark plugs on my 2000 Suzuki Esteem without having to be certified mechanic. Do you know where I can get step by step directions on changing the spark plugs. ...


This web site shown below on replacing plugs might help you if you have never done it before. You will need to purchase the correct size spark plug socket so purchase the plugs first. The guide in the site below is quite good.
Take your time and only do one plug removal and replacement at a time and you won't get the wiring confused.


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Remove plastic gaurds on top of engine. On the head of the engine block. There are 4 black smaller rectangular boxes. They are each held down by a screw in the corner of each. Unplug the black box. Pull upward on it. The bottom of this tube is what connects to the top of the sparkplug. You will need a socket extension to get the spark plug socket that far down. When you connect with the spark plug it will seem like your shoving the socket so far down its going into the engine. Remove plugs then re assemble everything. Do one completly before going to the next as to not confuse the wiring order. I had to use medical forceps (very long medical tweezers) to get my plugs out they are in a deep shaft deep in the engine block itself. I tried needle-nose pliers and they did not go deep enough. Hope that helps.

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