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Old 01-02-2013, 04:45 PM   #1
FreedomEagle03's Avatar
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Popping sound in/near engine?

Ive been experiencing this problem for about a year and a half now but it is intermittent. I have a 03 TJ 4.0 5 speed stock height/axles. It happens at random but tonight I was downshifting from 5th to 4th and when I was accelerating it made a pop sound almost like a ballon going off inside a metal bucket. This has happened before but I can't recreate it. It is purely at random but I believe when it does happen it is while accelerating.

I have new plugs in it and the oil has been changed about 2000 miles ago( up for a service soon though). I have roughly 170,000 on it.

On a side note I do have a P0432 code for a cat efficiency code that has been on for about 6 months( the light has actually gone off this morning and it clears itself every now an then . I do have plans on replacing the cats soon though). Any thoughts on what could be causing this?

Thanks in advanced

Ford guy with a Jeep problem
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Old 01-02-2013, 06:30 PM   #2
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Join Date: Nov 2012
Location: Portland, Oregon
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I'd check: sway bar links, control arm bushes, and ball joints based on the description. I am hunting a noise on my TJ right now and as someone pointed out in my thread, it is really hard to diagnose a noise or a feeling over the internetz. It just sounds like something in the suspension popping when it loads up.

I hope you find it and get it sorted out.
For some, it is easier to kill the light inside of themselves than it is to fight the darkness all around them.
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