[auron05]

Have a 06 wk 3.7 that has been surging for awhile now. I can't figure it out, change the oil to Valvoline synthetic oil, changed the plugs and air filter. Any ideas what it could be?

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[hummer recovery team]

Oxygen sensor, run some seafoam through

 

[SvenskaJeepGuy]

seafoam has always helped mine. has anyone else noticed the price of seafoam has almost doubled in the last 2-3 years?

 

[hummer recovery team]

Your right svenska I try to buy a lot when it's on sale, I use it in everything

 

[michael 1970]

I am having the same problem in my '06 3.7, but mainly at idle, in gear.
How do you use the Seafoam?
Thanks

 

[auron05]

You can YouTube it or google it and they have a video that shows you exactly what you need to do.

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[michael 1970]

thanks