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Ask Chris (aka- Moose) Your Own Question
Chris (aka- Moose)
Chris (aka- Moose), Technician
Category: Transmissions
Satisfied Customers: 48345
Experience:  16 yrs. experience with auto, manual, & CVT drivelines
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Transmission light came on and it seems like the idle has

Customer Question

Transmission light came on and it seems like the idle has also gone down to where it seems like the vehicle is getting ready to stall?
Submitted: 1 year ago.
Category: Transmissions
Expert:  Chris (aka- Moose) replied 1 year ago.

What is the idle speed in park at operating temp?

What model vehicle is this?

Have you had it scanned for codes?

Customer: replied 1 year ago.
5 RPM
Yukon 5.3l V8
No
Expert:  Chris (aka- Moose) replied 1 year ago.

Thanks, ***** ***** transmission light I would need to know some symptoms for the transmission to get close to diagnosing it without knowing the codes. For the idle being to low. Use spray can brake cleaner and a tooth brush to clean the open throttle body. Spray clean the MAF sensor as well. Remove both battery cables and hold them together for 1 minute. Retest over the next 2 days. If the idle issues return then have the PCM reprogrammed.

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