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have a 99 dodge 2500 cummins diesel auto trans 4x4
looses throttle response from time to time.
have replaced lift pump and fuel filter.
when lose of throttle occurs it sometimes returns by pushing throttle to the floor very quickly, other times by shutting switch off and back on.
i scanned it and comes up code PO216 injection timing control circuit malfunction
what do i need to do to fix this problem.
 

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Welcome to the forum.

First off the lift pump you put on was it another stock pump? Because of the p0216 code being tripped that means your injection pump has been abused enough by lack of fuel pressure that it can no longer provide enough timing to keep it going. You're going to need to buy a new injection pump and a good aftermarket pump to supply your new IP with a minimum of 10psi at all times.
 

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^^^^^^^^^yep what he said , ihave the same code just cant afford to replace my IP right now as im putting over 2K in the trans at this time then i will focus on IP ^^^^^^^^^
 
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