2004 nissan quest change plugs now idles rough

changes the spark plugs now the idle went high and now it's got a rough idle

Reply to
namesake
Loading thread data ...

assuming your old plugs were worn to a wide gap and you new plugs had a smaller gap, your spark timing has changed.

Reply to
infoforme121

MotorsForum website is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.