Https://www.fixdapp.com/blog/p0306
https://www.fixdapp.com/blog/p0300
https://www.fixdapp.com/blog/p0304
SOURCE: change spark plug wires on 04 kia sedona
REMOVAL OF THE PLUGS:
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.
INSTALLATION:
1. Install spark plug into cylinder head.
Tightening torque : 18~22lb-ft (25~30N·m, 2.5~3.0kg-m)
2. Reconnect high-tension leads.
3. Reconnect negative battery cable.
Hope this helps and simple to understand. Good luck
SOURCE: what does a codec: PO302 mean for a kia sedona EX
P0302 indicates a Misfire in Cylinder #2. Possible causes are as follows:
I hope this clarifies your issue and answers your question. Thank you for using Fixya!
Greg
SOURCE: trouble codes PO300, PO302, PO304,PO306,PO308
If you get
P0300
P0301
P0302
P0303
P0304
P0305
P0306
P0307
P0308
error codes and
you have an engine that misfires or runs rough, it can be the injector for that
cylinder or the coil pack. The P0300 code is a random misfire code and may or
may not be the above. All the other messages are for misfire of a particular
cylinder indicated by the last digit.
Test the coil pack by switching it to another spark plug and
see if the problem follows to that cylinder.
If that makes no difference, it is very likely the injector.
Disconnect the injector connector of the same cylinder and measure the
resistance. It should be 13.5 to 14.2 ohms at 70 degrees temp. It can be up to
16 ohms if the engine is hot. If you see a really high resistance or an open or
short then you can try to change the injector. If not, you can remove the fuel
rail on that side and switch the injector to another cylinder and see if the
problem follows to that cylinder.
You
need a 22mm wrench to remove the fuel pressure regulator. The other connections
are std. When all screws are removed, GENTLY wiggle the rail up and guide it
smoothly out. Don't put any sideward stress on the injector bodies.
Here is how to identify cylinders
Front of vehicle ^
1........2
3........4
5........6
7........8
All of the
injector connectors have a Black with red stripe wire. The corresponding other
wire color on the injector connector that matches with above are
red.........................white
green......................Red/black stripe
blue........................yellow
blue/red
stripe..........Red/white stripe
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