I just changed my spark plugs in my 2004 Dodge Durango and now it dies when

hustlinhustler

New member
I stop. HELP!? I have a 2004 Dodge Durango 4.7L V8. She has 89,000 miles on her. I just recently changed the sparkplugs on her and put the Bosch Platinum Plus ones in her. I gapped them at .040. The old spark plugs were the stock ones and they were old, rusty and had big gaps like .060-.065. She used to have idle problems (like idling high in the morning and after 15 minuites idled fine) but she never died. Now, when I stop, she idles at about 400 and if I don't press the gas within a few moments she will die. Anyone have an idea what is wrong. A mechanic told me that the coils over the spark plugs need a couple days to reset because they are used to sparking the old, beaten ones. Also, when I first fired her up, she kept dying and the check engine light was on, but my mechanic put his machine on her and I unplugged the intake sensor when I changed the spark plugs so all he did was reset the computer and now it stopped dying when I first start it. Anyone have an idea of what could be wrong or is my mechanic right and I have to wait a few days?
 
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