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Vehicle revesup when put in park. 2007 yukon xl gmc 4x4

Customer Question
Vehicle revesup when put...

Vehicle revesup when put in park

Mechanic's Assistant: What is the make/model/year of your car?

2007 yukon xl gmc 4x4 whith 5.3

Mechanic's Assistant: Are you fixing your Yukon XL yourself? What have you tried so far?

I repaced throttle possition sensor & throttle peddle possision sensor

Mechanic's Assistant: Does the vehicle hesitate during acceleration? Or maybe speed up suddenly when you aren't even hitting the gas?

Yes

Submitted: 6 months ago.Category: GMC
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Customer reply replied 6 months ago
Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call.
Customer reply replied 6 months ago
Let me know if you need more information, or send me the service offer(s) so we can proceed.
Answered in 17 minutes by:
12/18/2017
GMC Mechanic: GM Bob, ASE Master Technician replied 6 months ago
GM Bob
GM Bob, ASE Master Technician
Category: GMC
Satisfied Customers: 1,229
Experience: 30 plus years experience as GM technician, ASE Master Technician and GM Certified
Verified
Hello my name is ***** ***** I can help.
Can you post your vin number?
Did you do any type of relearn for the throttle body?
Do you have a scan tool?
When did the problem start?
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