What is your question?
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What is your question?
Off/and on for about a month check engine light came on,and off,now it stay's on,even after tuneup,and reset computer.Need help!
1 Reply
What i do to check a misfire, is I ->#1check compression in that cylinder then #2 verify that the wires and plugs are good and not defective. Did the van run fine before you did the tune-up? Because if it did, you may have a defective part, or something came loose. Were the wires replaced as well, because that is important?
code P0301#1misfire is reason for tuneup,still getting the code,.after tuneup.Yes it was missing before tuneup,also had obc reset after tuneup,and the code came up again.