have a slight miss at idle when the engine is warm. on 2001 Nissan Xterra

Started after I changed the spark plugs. The engine idles down intermittently and shudders slightly like it is going to shut off.

by in Charleston, SC on February 05, 2012
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1 answer
ANSWER by , February 05, 2012
do you have the right plugs and ck the gap and see if you cracked the porclaine part of the plug