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Most 4 cylinder engines use 1, 3, 4, 2 as a standard firing order. Number 1 cylinder is positioned nearest the belts and pulleys, and cylinder 4 is nearest the transmission. The coil packs are often marked with the numbers 1 to 4 to show which cylinder they are meant to go to.
The firing order is, 1 8 4 3 6 5 7 2
Odd and even numbered cylinder banks. driver side bank, front to back, 1 3 5 7
passenger side bank, front to back, 2 4 6 8
Dist rotor rotation, clock wise.
If you put number one cylinder on tdc of compression stroke, then whichever sparkplug tower the rotor is leading into, in the proper direction is number one. Then you follow the firing order in proper direction around the cap.
This would mean the #3 cylinder and the #6 cylinder are misfiring. There are several potential reasons including bad coil-paks or sparkplug wiring, coils on plugs(new style), crankshaft sensors, or shorting fuel injectors.
Some problems may be visually seen if the engine compartment is open in a dark place and sparks jump. Or the sparkplugs on the cylinders mentioned could be bad.
P0300 is multiple cylinder misfire, meaning a engine miss is detected on more then 1 cylinder, I would have the codes scanned at auto part store to know for sure which cylinders are actually missing, if there are 2 cylinders that are missing and they are side by side, such as cyl. 1,3. Or 3,5. If so its possible u have a blown head gasket blowing in between the 2 cylinders.. 1st double check that your wires are installed correctly, the coil packs have numbers on them to assure proper location.. Note the rear head has cylinder 1 3 and 5. Some people get that confused.. Providing you have a 3.3, 3.8 or 3.1 liter engine.
a blinking ck engine light means you have a catalyst damaging misfire. the misfire is also the cause of the shaking and probably low power condition. you need to have the vehicle scanned asap and try to figure out which cylinder or cylinders are misfiring by the code read by the scanner. if you have a po300 code it means you have a random cylinder misfire. if you have a po301 through a po306 then go to the cylinder 1-6 designated by the last # in the code to figure the cause from there. look for a burnt plug wire, remove the proper sparkplug and ck it. also remember to change the engine oil as there is unburned fuel getting into it every minute this condition exists that the engine is running. good luck to you.
you may be looking at the injectors?? there really isnt anything complicated about the spark plugs. if you cant find them, or take them out, you better leave it to a shop.
this post is listed as 2 years old .there are 5000 un answered kia problems and i just started last week. 2003 kia rio's yours mine and every one else's are blue book valued at about $500.there are not alot of self help out there as with other cars . if you still need help you can try reposting.any way 2 years later your cylinders are # from the left 1 2 3 4 on the side were the wires start each distributer has a corresponding # in white
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