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    Dodge07's Avatar
    Dodge07 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Aug 5, 2010, 07:56 AM
    How do I fix my 2007 dodge ram's overheating problem
    My 2007 Dodge Ram 4.7 liter has 86,000 miles and lately has been going 1/4 past the middle mark on the gage. The truck sometimes also while a/c is on and in park position accelerates and decelerates up and down. What is the problem?
    CaptainRich's Avatar
    CaptainRich Posts: 4,492, Reputation: 537
    Cars & Trucks Expert
    		  
    #2

    Aug 5, 2010, 08:23 AM

    Depending on ambient temperatures, you may see slightly higher coolant temps. This doesn't mean that it's overheating.
    What is the maintenance history for that vehicle's cooling system?
    If you haven't serviced it lately, now may be the time for a fluid exchange and a fresh thermostat.
    Regarding the fluctuation in engine speed while the A/C is running... that is normal. As the A/C cycles on and off, the PCM adjusts engine idle to compensate for changing loads.
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
    Uber Member
    		  
    #3

    Aug 5, 2010, 08:24 AM

    This link should help:

    https://www.askmehelpdesk.com/cars-t...tml#post235973
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