General HHR Discuss anything related to the Chevy HHR that doesnt seem to fit into the more specific categories below.

RPMS go up and down while breaking.

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Old Feb 24, 2018 | 01:04 AM
  #11  
gbeshara's Avatar
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Joined: 02-23-2018
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From: NV
Yes its at least 7 months old which to me is kinda new.
Old Feb 24, 2018 | 06:42 AM
  #12  
Oldblue's Avatar
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Joined: 10-13-2011
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From: Welland,Ont Canada
Check the wiring connection to the throttle body, clean the throttle body and the MAF , check the air filter, perhaps install a new one.
Old Feb 24, 2018 | 08:55 AM
  #13  
donbrew's Avatar
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Joined: 01-23-2009
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From: Fredericksburg,VA
Inspect the break (sic) booster vacuum hose.
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