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check for a problem in the injector wiring for that cylinder
check for corrosion in the connections
replace that injector control
injectors cause more misfires than plugs and associated electric do
Yez, yr miz could be the coil or a plugwire or a bad sparkplug. Pull the spark plug out and look at it. Is it fouled, all carboned up? Try a new spark plug (if plugs are pretty old, or worn with a rounded electrode, buy a new set.) Start with the cheapest fixes first. If plugs don't help, swap that plugwire with another and see if the misfire follows that cable wire-u know that's a bad plug wire. Same with the coil-swap it for another on the coilpack and see if misfire follows the suspect coil-that's a bad coil. Good luck.
p0302 is number 2 cylinder misfire. it could be anything from plug, plugwire, or the coil for that cylinder. check plug and or wire first. have a good day ! p0303 is # 3 cylinder etc.
use a noid light to show pulse at plugwire,or just unplug a sparkplug wiire plug it to a extra sparkplug let it ground on metal(frame or engine) spin the engine over watch for a spark on the plug, red is a weak spark blue is good.
u might have a loose plug boot or a bad coil pack or plugwires are on tyhe wrong plugs.check the firinfg order and follow from the coils to make sure, and check the boots for snugness, if you can pull them off easily then there not attached properly.
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
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