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Paul M ASE Master
Paul M ASE Master, ASE Master Tech
Category: Chrysler
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Experience:  ASE Master Tech 20+ Years
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02 town and country van--idle speed seems..tranny..shifting..bump

Customer Question

02 town and country van--idle speed seems high (1200rpm) and tranny is shifting strange in low gear...a jarring bump. Any ideas? Are these two symptoms related? Steve
Submitted: 3 years ago.
Category: Chrysler
Expert:  Paul M ASE Master replied 3 years ago.

Hello and thank you for using Just Answer

I'm Paul and I will help you with your Question

 

this is most often caused by a bad throttle position sensor

 

this could cause both high idle and transmission shifting issue

 

click here for more information

 

let me know if you need more help

 

Paul

Customer: replied 3 years ago.
What should the idle speed be for this vehicle?
Approximate cost of dealer replacing the throttle position sensor?
When I first felt the "bump" I immediately had flashbacks to bad tranny issues with three previous Chrysler vans (87,91,93). What are the odds of this being major tranny issues/big bucks?
Thanks.
Steve
Expert:  Paul M ASE Master replied 3 years ago.

the part is 30 dollars and .5 hours labor to install

 

so total job would run like 90 dollars for the TPS.

 

normal idle speed once its warm would be near 800 its controlled by the computer and is not adjustable

 

I would not be overly concerned with the transmission bumbing until you replace the TPS to correct the idle speed

 

it can cause the trans to shift eratically .

 

Paul

Paul M ASE Master, ASE Master Tech
Category: Chrysler
Satisfied Customers: 4682
Experience: ASE Master Tech 20+ Years
Paul M ASE Master and other Chrysler Specialists are ready to help you
Customer: replied 3 years ago.
Ok. I'll go with your advice. Thanks Paul!
Expert:  Paul M ASE Master replied 3 years ago.

no Problem Steve

 

thank you for using Just Answer

 

let me know how you make out

 

Paul

Customer: replied 3 years ago.
One last thing ... after the TPS is installed, does the computer need to be reset? Or will it adjust on it's own? Thanks!
Steve
Expert:  Paul M ASE Master replied 3 years ago.

no programming is needed for the new TPS

 

as long as you have no engine light you are ok.

 

if there is an engine light you can get codes cleared at an autoparts store for free

 

Paul

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