Question about 2000 Dodge Ram 3500
P-1689 NO COMMUNICATION BETWEEN ECM & INJECTION
Posted on Jul 21, 2009
1688 is telling you that you injection pump is dead time to install a new VP44 pump 1689 is more then likely set by the 1688 problem
Posted on Aug 27, 2010
a 6ya Mechanic can help you resolve that issue over the phone in a minute or two.
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Posted on Jan 02, 2017
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