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2500 cummins: , so my trucks idles(###) ###-####rpm up and down…

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Hi, so my trucks idles(###)...
Hi, so my trucks idles(###) ###-####rpm up and down continuously, and no throttle resonse.. Tps sensor ok, maybe vp pump? Thanx
Submitted: 3 years ago.Category: Dodge
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Answered in 48 minutes by:
6/23/2015
Dodge Mechanic: Robert R, ASE Certified Master replied 3 years ago
Robert R
Robert R, ASE Certified Master
Category: Dodge
Satisfied Customers: 4,858
Experience: Dodge Master Certified, Dodge Sprinter Certified
Verified
Hello, welcome and thanks for asking your question. My name is***** a Certified Auto Technician with 27+ years experience. I will do my best to assist you. please keep in mind that I may need to ask questions of you before I can answer. When you reply please feel free to add as much detailed information as possible pertaining to your concern.
Yes, VP pump is definitely a possibility. To be sure you would need to scan the vehicle. Has it been scanned for codes yet? If it has, please post the codes that were retrieved here and we can go from there...
Thank you,
Robert
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Dodge Mechanic: Robert R, ASE Certified Master replied 3 years ago
Hello,
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