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02 Sport rough idle

Dre

Elite Explorer
Joined
May 30, 1999
Messages
4,878
Reaction score
52
City, State
Chicago
Year, Model & Trim Level
2015 FPIU
truck I'm buying - idle is kind of rough - could it be a vacuum leak? I can hear hissing sound from around the intake area right where the throttle body is mounted...

any other ideas?

CE light is on - I can't really test it - owner says that some guy at Autozone told him to replace spark plugs after testing - spark plugs? rough idle?
 






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