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What does this sound like to you? 200

posted by  Gmasters on  Fri May 18 10:50 CST 2012
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last visit: Wed Oct 15 06:33 CST 2014
[RELATED]

I recorded some audio clips of my poorly idling Volvo. Two of them are the engine bay and the other is the exhaust. It is idling very poorly and I am wondering what could cause this issue? The only code I am receiving on my OBD is 121. I can hear a pop noise and when I put my hand on the intake it feels like it is backfiring into the intake. I took the off the hose that connects the exhaust to the intake but it still does it.

Also when installing the O2 sensor, are the 2 white wires interchangeable?

Your help will be greatly appreciated.
[url=http://soundcloud.com/skateandneverdie/idle-engine-2/s-dASwS]Engine 2[/url]

[url=http://soundcloud.com/skateandneverdie/idle-engine-1/s-6ufdc]Engine 1[/url]

[url=http://soundcloud.com/skateandneverdie/idle-exhaust/s-EgTtu]Exhaust[/url]



Thanks,
Garrett






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