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low idle DTC P0442 P0332

 
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30/08/2023 2:39 pm
Topic starter

 

Why does my 2003 Yukon xl 1500 series all of sudden the RPMs go from 600 to 400?

       I have a po442 and a po332

      I have fix the slow leak.

      But not the knock sensors. 


js122014.a@gmail.com 
(@js122014-agmail-com)
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| 3Posts
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30/08/2023 6:45 pm

Try cleaning your MAF sensor and throttle body.

https://www.youtube.com/watch?v=NWCKvU2FmDc


Chuck Tobias
Chuck Tobias 
(@chucktobias)
Member Moderator
20680Posts
14 14860 5599

Thank you I will clean the throttle body and Maf sensor


By js122014.a@gmail.com Topic starter 31/08/2023 3:13 pm
 
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