2002 Kia Sedona
Problem for Kia 2002 Sedona

The engine code says the #4 plug is not fireing




By lynchie54 on Nov 09, 2009

" "
The engine code says the #4 plug is not fireing right and has a rough idle and when you accelarate it seems to back fire and the transmission is down shifting for no apparent reason.202 kia sodona 3.5 engine

Clarification Request

Posted by rckymtnboy on Nov 09, 2009

Could be anything from a bad plug, to a bad spark plug cable, to a bad distributor cap, rotor, etc. The #4 plug not firing right is the symptom, not the problem more than likely. The down-shifting is probably the computer trying to compensate for the loss of power since it's not firing one of the cylinders. The back fire is because there is no spark to set off the fuel going into the cylinder.

Best Solution

posted on Nov 09, 2009
Very Helpful)

marty_gto

Rank: Master 
Rating: 92%, 3 votes
omg you have a broken lead replace them all and all spark plugs problem solved make sure you replace one at a time take one off replace it then go to the next one and so one this is the most eaiest way to do so you wont get the fireing order mixed up
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