high idle on Ram 1500 4.7

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timbec6871

Junior Member
Joined
Jan 8, 2012
Posts
1
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Ram Year
2003
Engine
4.7
We have had our truck engine rebuilt. We have put the TPS sensor and the idle air control relaxed. We have also cleaned the throttle. The truck is still idling high. Need help.
 

HemiBabe

Senior Member
Joined
Dec 6, 2010
Posts
7,214
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921
Location
DFW
Ram Year
2004
Engine
Hemi
Welcome to RF.

Is it throwing any codes? What is it idling at?
 

icywhite

Senior Member
Joined
Oct 13, 2011
Posts
115
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31
Ram Year
2004
Engine
4.7
hey did check the vac hoses there is on bad one on the 4.7 it is the one that connects to the air intake and the one that connects to the oil filler that goes to the back of the intake maninfold its way back and hard to reach let me guess it idles around 1800 to 2500.
 

simp88240

Junior Member
Joined
Jul 3, 2017
Posts
1
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Ram Year
2003
Engine
dodge 4.7
PCV Vacuum

I had just replaced both head gaskets and once it was all put back together I also had a problem with high idle. First time on this sight I read about the PCV vacuum line on the back of the intake. To my surprise that fixed my idle so I want to say thank you for the positive information. That was the one vacuum line I couldn't figure out where it went:happy107:
 
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