P0302 cylinder 2 misfire
There are several things that cause misfires #1 spark plug #2 ignition coil and plug boot.#3 plugged fuel injector #4 engine cranking compression low #5 Engine running compression low #6 vacuum leak at that intake runner. Being that the newer computer systems can find misfires pretty easy suggest to do this remove # 2 plug and inspect gap and its outer shell for burn makes compare to another cylinder. all looks good then swap plug coil and boot to the other cylinder if miss follows to components then replace then if stays with cylinder this is much harder to fix.
The problem is a sparkplug or wire you must be replaced
SOURCE: 1998 toyota tacoma P0302 Cylinder 2 Misfire
do a compression test on the engine.if that checks out ok then the problem is either an ignition problem or a bad fuel injector
SOURCE: 1998 Toyota Camry V6- Ran
theres a possibility that the #2 fuel injector is clogged up. go to any auto parts store and tell them your problem, they should have a fix. unless the injector is bad. good-day!! are you sure #2 wire is ok! You probably need to clean out the MAF/sensor as well as throw in some injector cleaner.
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