No year,. wow.
there 50 causes. (have list ,ask but is point less)
i use 5 -10 tests to find true cause
do you want to test, or guess?
step 1, ever done 60,000 mile (interval) tune up this DECADE?
ask for more steps, have them all.
bad spark plugs can not burn fuel;
and clogged fuel filters, cause weak injection and lean misfire.
SOURCE: 2001 Kia Magentis engine missfiring , installed
check new spark plugs for proper gap.
It may have gotten hit when installing it.check coils second for resistance/firing. sometimes one bank will work fine and the other side will misfire-always replace all together or as a unit. Check
engine for compression if problem pre existed
and check for low compression. if 1 cylinder
has 120 psi and two havepsi below 90 you may have
a cracked head or bad head gasket.
SOURCE: I HAVE PROBLEM WHITH A
Please post your question in the proper forum. This does not have to deal with PC Desktops.
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