2005-2014 Mustangs Discussions on the latest S197 model Mustangs from Ford.

Back pressure

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Old Aug 6, 2008 | 03:48 PM
  #1  
DeStonn's Avatar
DeStonn
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Joined: Dec 2006
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From: Southern California(Orange County)
Default Back pressure

Just a quick question for the gear heads. I have excessive popping coming from the exhaust. When I let off the gas peddle it pops even in between shifts it pops. Anyone have an idea what is going on. I changed out the plugs about 10k miles ago. Would the CoPs going bad cause this or should I crack her open and look at the plugs or have the tuner check to see how rich she is running?

This isn't a small amount of popping, but a rather large amount. If I have to take her back to the tuner I will but money is tightright now.

thanks for any and all help.

DeStonn
Old Aug 6, 2008 | 03:51 PM
  #2  
acascianelli's Avatar
acascianelli
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Joined: Jul 2006
Posts: 4,409
From: Sterling Heights, MI
Default RE: Back pressure

Too rich.
Old Aug 6, 2008 | 03:55 PM
  #3  
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DeStonn
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Joined: Dec 2006
Posts: 1,400
From: Southern California(Orange County)
Default RE: Back pressure

That's what I was thinking too because I have black soot on the inside of the exhaust tips. thanks
Old Aug 6, 2008 | 04:59 PM
  #4  
2007CalSpec's Avatar
2007CalSpec
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Joined: Sep 2007
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From: Nor Cali
Default RE: Back pressure

I get back pressure when I eat a lot of beans. [8D]
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