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sprinkles08, Chrysler/Dodge/Jeep master tech
Category: Dodge
Satisfied Customers: 23004
Experience:  ASE Master and Advanced Certified, Chrysler/Dodge/Jeep Master Certified, Trans and Hybrid Specialist
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99 ram 2500 5.9 diesel. idles good tap pedal revs to ~3000

Customer Question

99 ram 2500 5.9 diesel. idles good tap pedal revs to ~3000 rpm. replaced apps same issue. no codes
Submitted: 1 year ago.
Category: Dodge
Expert:  sprinkles08 replied 1 year ago.

Hello and welcome to JustAnswer!

This would most likely be an internal injector pump issue assuming the throttle isn't physically sticking open.

When the engine won't return to idle have you checked the linkage to see that it's in the idle position?

Are you able to monitor APPS signal and see the voltage isn't abnormally high with the throttle closed?