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Discussion Starter · #1 ·
Hi.

I've been trying to track down a P0300 and P0316, and I noticed I am hearing a slight popping or tapping coming from the throttle body. It's not like a valve tap, and it the frequency sounds random, but it's fairly constant.

Any ideas?
thanks
 

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Is the noise coming from the IAC?
 

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Try cleaning out the throttle body, esp the butterfly valve, when they get dirty it can cause p0300's, check the topic finder on the how-to-do cleaning throttle body. Ford also has a software update if your Taurus has a unsteady hot idle. My '07 Taurus always made a gurgle sound from the intake, it did that from day 1, and most '04+ Vulcan engines do gurgle at hot idle.
 

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Discussion Starter · #5 ·
thanks. I was actually doing a TB clean when I noticed the noise - as a last ditch effort before changing the coil pack. I'll look for the cleaning procedure but I just sprayed the hell out of it then cleared all codes. Looks much cleaner - we'll have to wait and see if the codes return.
 
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