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2015 challenger r/t/ plus 5.7....when at a stop light and…

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2015 challenger r/t/ plus 5.7....when...
2015 challenger r/t/ plus 5.7....when at a stop light and brake depressed engine tries to accelerate from idle. Also noticed coming to a stop downshifting to 1st feels very harsh. Thought might be A.C. kicking in but have been running w/o and results are the same surge prob. exists.
Submitted: 2 years ago.Category: Dodge
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Answered in 9 hours by:
2/21/2016
Dodge Mechanic: sprinkles08, Chrysler/Dodge/Jeep master tech replied 2 years ago
sprinkles08
sprinkles08, Chrysler/Dodge/Jeep master tech
Category: Dodge
Satisfied Customers: 24,219
Experience: ASE Master and Advanced Certified, Chrysler/Dodge/Jeep Master Certified, Trans and Hybrid Specialist
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Hello and welcome to JustAnswer!

If the idle speed climbs with the throttle closed then it has to be a throttle body issue or a vacuum leak. Either way if RPM's climbed high enough when unintended then it will go into ETC limp in and control RPM with spark and fuel alone.

Are any fault codes setting?

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