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With the vehicle running remove the plug for the fuel injector for cylinder #3. RPM should drop. If you have access to nous lights plug one into the injector plug and make sure it flashes. If no flash either the wiring is open or grounded or the computer is not commanding it on and off. You should also look at the cylinder compression. Make sure plugs aren't cracked, are correctly gapped, and no carbon tracking.
Before servicing the vehicle, refer to the Precautions Section. NOTETwist the spark plug boot one-half turn in order to release the
boot. Pull on the spark plug boot only. Do not pull on the spark plug
wire or the wire could be damaged.
Remove the intake manifold cover, if required.
Disconnect the left side spark plug wires from the spark plugs.
Disconnect the left side spark plug wires from the ignition coil.
Remove the spark plug wire clips from the Manifold Absolute
Pressure (MAP) sensor bracket and the heater inlet and outlet pipe tab.
Remove the spark plug wire assembly.
If replacing only one plug wire, open the retaining clips and remove the appropriate spark plug wire.
Disconnect the right side spark plug wires from the spark plugs.
Disconnect the right side spark plugs from the ignition coils.
Remove the spark plug wire assembly.
If replacing only one plug wire, open the retaining clip and remove the appropriate spark plug wire.
To install:
Install the spark plug wire assembly.
Connect the right side spark plugs to the ignition coils.
Connect the right side spark plug wires to the spark plugs.
If replacing only one plug wire, open the retaining clip and install the appropriate spark plug wire.
Install the spark plug wire assembly.
Connect the left side spark plug wires to the spark plugs.
Connect the left side spark plug wires to the ignition coil.
Install the spark plug wire clips to the MAP sensor bracket and the heater inlet and outlet pipe tab.
If replacing only one plug wire, open the retaining clips and install the appropriate spark plug wire.
Install the intake manifold cover, if required.
Fig. 2.2L Engine
Firing Order: 1-3-4-2
Distributorless ignition system
Fig. 3.1L Engine
Firing order: 1-2-3-4-5-6
Distributorless ignition system
Fig. 3.5L Engine
Firing order: 1-2-3-4-5-6
Distributorless ignition system
Fig. 2.4L Engine
Firing order: 1-3-4-2
Distributorless ignition system
Fig. 3.1L Engine
Firing order: 1-2-3-4-5-6
Distributorless ignition system
Fig. 2.2L Engine
Firing Order: 1-3-4-2
Distributorless ignition system
1. Disconnect high-tension code from spark plug.
2. Remove the spark plug.
3. Connect the spark plug to a high tension code.
4. Hold the spark plug with insulated pliers 5~10mm from a ground.
5. Crank the engine and verify that there is a strong blue spark.
If there is no spark, inspect the following points.
Step Inspection Action
1 Check for good connection of ignition coil Yes Go to next stop.
No Repair or replace
2 Check if resistance of high-tension leads are OK Yes Go to next step.
No Replace
3 Check if the ignition coil is electrically charged
1) Ignition switch "ON"
2) Check if the engine coil (+) is electrically charged
Yes Go to next step
No Check the wire harness between ignition switch ignition coil and ECM
4 Check if resistance of ignition coil is OK
Resistance
Primary : 0.36~0.44Ω (at 68°F (20°C))
Secondary : 10.9~13.3kΩ (at 68°F (20°C)) Yes Go to next step
No Replace
5 Check if ECM is OK Yes
No Replace
REMOVAL
Do not attempt any maintenance on spark plug if engine is hot.
1. Disconnect negative battery terminal.
2. Carefully remove high-tension leads.
3. Use compressed air to blow any dirt or debris from around spark plug hole.
4. Check that spark plug fits squarely in spark plug socket and remove spark plug.
Raise a vehicle and install SST(OK552 131 001) in order to replace cylinder 2, 4, 6 spark plug.
There are 2 coils, they're black square things about 1 1/2 inches or so square. Tops are probably a brown resin color. They unbolt with 10mm bolts IIRC. There are plugs underneath the coils, connected with adaptors. There are 2 plug wires going from the coils to the other spark plus.
DON'T TAKE THE PLUGS OUT WHEN THE ENGINE IS WARM!
BE CAREFUL STARTING THE NEW PLUGS, MAKE SURE THEY TURN EASY BEFORE YOU USE A RATCHET.
The 2003 Kia Sorento with V6 has the spark plugs located under
black plastic covers in the center channel of each cylinder head.
Several brackets, cables, and hoses must be moved out of the way to
access them. The manifold air intake tube needs to be removed on the
right bank.
The left cylinder bank has coil-on-plug assemblies while the
right bank has more conventional spark plug caps with sealing
assemblies. The
coil-packs are held with two 10mm bolts each and are difficult to get
to. Use universal-joint sockets and an extension.
If it is the 3.5 V/6 three plugs in the front and three in the rear you can't see the three in the rear. you have three coils on the front plugs each coil splits into three wires for the rear plugs.
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