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2007 Limited Idling Rough. Need help!

 
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Old 15 Sep 2014, 09:44 am
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Default 2007 Limited Idling Rough. Need help!

I have a 2007 Limited that the timing belt broke on. Now it idles rough but seems of when driving it. I had two codes registering, one was a crank shaft sensor which I replaced and the other was intake manifold air leak. I cant seem to find a leak. There looks to b only a couple vacuum hoses on the intake. One runs to the brake booster and the other one to the valve cover I believe. When either one is removed it idles better and when hooked back up it wil stall the motor out. Not sure what to do next.
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Old 15 Sep 2014, 10:19 am
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Default Re: 2007 Limited Idling Rough. Need help!

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Old 15 Sep 2014, 11:45 am
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Default Re: 2007 Limited Idling Rough. Need help!

Quote:
Originally Posted by Diebold40 View Post
...the other was intake manifold air leak. I cant seem to find a leak.

Get some starting fluid & spray it around the entire intake manifold while engine is running...if idol changes than you need to replace the manifold gaskets.
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Old 15 Sep 2014, 12:14 pm
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Default Re: 2007 Limited Idling Rough. Need help!

you knwo this sounds like you may ahve the timing off 1 tooth this is oretty much what happens after a timing belt change they think it is lined upa dn in time but in =reality its 1 tooth off and this is the symptoms rough idel and probaly lousy gas millage
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Old 15 Sep 2014, 07:13 pm
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Default Re: 2007 Limited Idling Rough. Need help!

Dad is all over this one. Here are some good pics of the belt timing.

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Old 16 Sep 2014, 08:18 am
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Default Re: 2007 Limited Idling Rough. Need help!

First someone needs to check the timing. As far as a possible vacuum leak google Scotty kilmer how to check for vacuum leaks with a cigar. AKE simple do it yourself smoke test.

Good Luck
Mike
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