Question about 2001 Dodge Ram 2500 Truck

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My 2001, 2500 Cummins 4x4 required the lift pump replacement with the new engineered in tank pump. This occured at 58000miles last Dec. Now with another 9000 miles to Alaska and back the injector pump began to fail as a result of the lift pump issue earlier. While in Fairbanks the input seal to the rear differential was found leaking and was replaced. The truck has only been used to haul my cabover camper but in the last nine months has cost over $4100 in maintenance. I have carefully maintained and driven this truck, but will never again buy a Chrysler product. They should not have been rewarded with a taxpayer bailout in view of this lousy performance noted on my truck.

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Sounds like you have a bad one, but , the 2001 model has the LEAST reliable injection system of them all. Secondly you neednt have had to buy the intank supply pump , thats just an upsell, O"Reilly sells a good external pump , installable in 20 min for under $200 As for the injector pump failing , Put a fuel pressure gauge in your dash

Posted on Oct 05, 2010

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P0216 DTC - Injection Timing Control Circuit Malfunction and this means the diesel fuel injection pump has a timing failure. This could be that the injection pump timing needs adjusted OR the failure is internal to the injection pump and therefore non-adjustable.

NOTE: If your vehicle is a Dodge Ram with Cummins engine then be aware that fuel delivery problems frequently cause this code. Prolonged fuel delivery problems can cause injection pump failure!

Symptoms of a P0216 DTC may include:
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Possible Solutions: First, simply check if your injection pump timing is adjustable. If so, check the timing and adjust if necessary.

If you think that you may have a fuel delivery problem, then check the lift pump operation. On Dodge Ram with the Cummins engine, the lift pump should produce about 45 oz of diesel in 25 seconds of operation. This can be performed by disconnecting the fuel hose from the injection pump and pumping the fuel into an approved container. Bump the engine over but do not start it. Then the lift pump will operate for 25 seconds. If the fuel is aerated, then check/repair fuel line and recheck.

With the fuel hose connected the fuel pressure should be 10psi. If the fuel delivery tests fail, replace the diesel fuel filter and recheck.

If it still fails then verify there are no restrictions in the fuel tank

Then replace the lift (transfer) pump. IT SHOULD BE NOTED that if this code surfaced after a routine fuel filter replacement or if you have any of the above symptoms after routine fuel filter replacement, then suspect the fuel transfer pump. This occurs because even a weak transfer pump can still provide enough fuel for the engine to run. But when the fuel system\'s prime is lost due to fuel filter replacement, it may not restart again without fixing the fuel delivery problem.

If you found your injection pump to be bad, the lift pump should be checked for operation to protect the new injection pump. This is because weak or low output from lift pump are common cause of injection pump failure. There are some aftermarket kits that can be purchased to warn the operator when the fuel pressure/volume drops to level that could damage the injection pump.

Hope this helps (remember to rating this free answer and leave a testimonial comments).

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