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Unread 10-10-2009, 11:21 AM   #1
Buick355
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Question Slight popping noise through intake 2005 Ford Taurus

2005 Ford Taurus OHV engine. Anyone run across this? You can hear a slight random popping sound through the intake at idle. No DTC's. I did a quick check for vacuum leaks with some brake cleaner, nothing found. Seems to run ok, although it does have a slightly rough idle on cold start ups at times.

Any ideas?
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Unread 10-10-2009, 12:13 PM   #2
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Those still a 3.0 if so it could be the cam pos. sensor looks like a half of a distributor in the engine valley on driver side.
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Unread 10-10-2009, 12:20 PM   #3
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Quote:
Originally Posted by dee View Post
Those still a 3.0 if so it could be the cam pos. sensor looks like a half of a distributor in the engine valley on driver side.

Yeah, still a 3.0. That was my first thought, I know how common the cam sensor/synchronizer problems are on these. I've changed a few. Usually for the squealing or cutting out problem though. I would think it would throw a DTC though if the cam sensor is dropping out signal though.
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Unread 10-10-2009, 12:29 PM   #4
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I had one that never threw a code could watch the scope and the only thing that feel off was the fuel pump I was about to change it and decided to try the sensor cause fuel pupms on those are rare changed the sensor and fixed it.
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Unread 10-10-2009, 01:15 PM   #5
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Wish I had a nice scope.
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Unread 10-10-2009, 02:17 PM   #6
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I had borrowed one gonna buy one pretty soon though comes in very handy. Wish I could talk my shop into buying one.
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