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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15181
Experience:  GM Grand Master Technician 2007. 14 years experience.
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Idle sensor on a Chevy 07 Trailblazer

Customer Question

idle sensor on a Chevy 07 Trailblazer
Submitted: 10 months ago.
Category: Chevy
Expert:  Gary replied 10 months ago.

what is the problem you are having ?

what size engine is in this vehicle ?

Customer: replied 10 months ago.
The needle on the on the dash is jumping up and Down when I come to a stop. I think the engine 6
Expert:  Gary replied 10 months ago.

at a stop when its doing this what is it jumping form and too ?

do you hear the engine going u;p and down with RPM'S also ?

Customer: replied 10 months ago.
in the engine lights on the dash
Expert:  Gary replied 10 months ago.

any idea what code numbers are set ?

Customer: replied 10 months ago.
No sir
Expert:  Gary replied 10 months ago.

when the needle is going up and down is the engines RPM'S going up and down also ?

Customer: replied 10 months ago.
Expert:  Gary replied 10 months ago.

the idle going up and down can be caused by many things

are you near a Pep Boys or Auto Zone as they will scan the code for free for you and tell you the code number

once we know what codes are set we will have a better idea of what direction to take next or a better idea on the problem knowing the codes set

Customer: replied 10 months ago.
OK thanks
Expert:  Gary replied 10 months ago.

let me know what the code numbers are

Customer: replied 10 months ago.
OK will get it tomorrow. Get back with you
Expert:  Gary replied 10 months ago.

sounds good

Expert:  Gary replied 10 months ago.

how are you making out ?

you can always get me back through this post for FREE with any follow up with this question even after you rate us here as i do not get credit for my work until you rate us here at Justanswer

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