RPM fluctutaes at idle - Chevy Traverse Forum: Chevrolet Traverse Forum
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post #1 of 36 (permalink) Old 11-19-2019, 11:09 AM Thread Starter
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RPM fluctutaes at idle

After cleaning the throttle body and MAS filter , Noticed that the RPM fluctuates at idle
I used a new scanner ( FOXWELL NT301) I bought , it shows RPM is between 559 to 688. I am not comfortable with that.
The car drives smoothly no problems. any ideas ?

2013 Traverse LT AWD Iridium
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post #2 of 36 (permalink) Old 11-19-2019, 12:31 PM
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Just cleaned my throttle body & MAF sensor recently also & afterwards it was doing the same thing exactly as you described. I just continued to drive it & after a couple days it seemed to recalibrate itself. Perfectly normal now & has an increase in power.
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post #3 of 36 (permalink) Old 11-19-2019, 12:56 PM Thread Starter
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Hi. Thanks for the update, i will take your advice. do you mind telling me what car do you drive ?

2013 Traverse LT AWD Iridium
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post #4 of 36 (permalink) Old 11-19-2019, 01:33 PM
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Im wondering if disconnecting the battery to erase learned parameters--- that is to return to default values...
and then it will begin to relearn.....


or like previous user--- allow the system to relearn over time.

2010 FWD LT1-Gold Mist Metallic- seats 8.
Build Date- July 31, 2009-2nd day of Spring Hill 2010 production.

2013 Equinox 3.6L - 88,000
2010 Traverse 3.6L- 153,000
2003 Trailblazer 4.2L- 181,500
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post #5 of 36 (permalink) Old 11-19-2019, 04:17 PM
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Quote:
Originally Posted by Harry54 View Post
Hi. Thanks for the update, i will take your advice. do you mind telling me what car do you drive ?
2012 Traverse LT
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post #6 of 36 (permalink) Old 11-19-2019, 05:59 PM Thread Starter
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Ok Gents, I will wait for few days .

2013 Traverse LT AWD Iridium
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post #7 of 36 (permalink) Old 11-19-2019, 07:54 PM Thread Starter
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Just a Q , anybody thinks that the MAF sensor gone bad ??

2013 Traverse LT AWD Iridium
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post #8 of 36 (permalink) Old 11-19-2019, 08:18 PM
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You would probably see a fault code if the MAF sensor went bad. What cleaner did you use to clean the throttle body and what cleaner for the MAF? Were things A-OK before the cleanings?
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post #9 of 36 (permalink) Old 11-19-2019, 08:31 PM Thread Starter
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I used Carburetor Cleaner for the throttle body , for the MAF a normal Contact cleaner fast drying (twice) , the reason was to check LOW MPG issue ( my other post )

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post #10 of 36 (permalink) Old 11-19-2019, 08:47 PM
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They do make a dedicated MAF cleaner, I don't know what the formulation of it is but it would be the only thing that I would recommend on these sensitive devices. A New MAF would be about $50 on Rockauto in case you need one.
https://www.familyhandyman.com/autom...-maf-cleaning/

Last edited by electbc; 11-19-2019 at 08:49 PM.
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