I have a 2001 explorer Sport and I am hearing a humming noise....Sounds like its coming from the engine...I had the transmission flushed thinking maybe that would solve the humming...but its still there...any suggestions?
engine humming
Jan 12, 2004
3 Replies
I had that happen on my 96. Turned out there is a small motor on the air intake that operates a damper for quicker warm ups. It had failed causing the humming to increase as the engine warmed up. Gets really loud.
Vacuum leaks can often offer up a reedy sounding buzz or hum. You can try disconnecting the IAC and see if that might be the problem..... there is no "warm up valve" on the intake.
Jim Warman snipped-for-privacy@telusplanet.net
I had the same problem on my '98. Some times it would cause a sputter if I got on the gas too quick from a stop. I would call it more of a whistling however.
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