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Mass air flow sensor

scargo

New Member
Joined
July 25, 2003
Messages
1
Reaction score
0
City, State
PA
Year, Model & Trim Level
97 XLT
Mass air flow sensor is making a loud humming sound in warm weather. Replaced MAF last summer and it still hums. No other problem with vechile. HELP
 




Alec

Elite Moderator
Moderator Emeritus
Joined
April 25, 2000
Messages
15,996
Reaction score
1
City, State
Houston, Texas
Year, Model & Trim Level
2008 JK
Welcome!

You need to replace your IAC, idle air control valve. The noise is resonating from the IAC through the intake system.

Many many many posts on this problem, try the search feature.
 




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