Question about 2007 Dodge Ram Truck
Check the EGR valve. A defective EGR system is one of the most common reasons for the problem you are describing.
If EGR is OK, check the air intake and air intake sensors. Check also the vacuum system for leaks. A vacuum leak will aspire extra air into the mixture and can cause engine revving up and down.
Posted on Mar 18, 2011
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Posted on Jan 02, 2017
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