Chevy HHR Network - RPMS go up and down while breaking.

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Chevy HHR Network (https://www.chevyhhr.net/forums/)

- General HHR (https://www.chevyhhr.net/forums/general-hhr-4/)

- - RPMS go up and down while breaking. (https://www.chevyhhr.net/forums/general-hhr-4/rpms-go-up-down-while-breaking-59992/)

gbeshara

02-24-2018 01:04 AM

Yes its at least 7 months old which to me is kinda new.

Oldblue

02-24-2018 06:42 AM

Check the wiring connection to the throttle body, clean the throttle body and the MAF , check the air filter, perhaps install a new one.

donbrew

02-24-2018 08:55 AM

Inspect the break (sic) booster vacuum hose.

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