The 2001 Chevy Blazer vacuum switch solenoid can be found on the firewall in the engine compartment. The vacuum switch solenoid will be on the passenger side of the firewall.
Yes, the engine can still run with the EGR vacuum solenoid not in the working condition.
no
The EGR on a 2007 is not vacuum controlled.
The EGR (Exhaust Gas Recirculation) valve opens when vacuum is applied. The EGR vacuum solenoid opens and closes the vacuum supply to the EGR valve when it is commanded to do so by the ECM (Engine Control Module).
No, it is electric
It will either be the vacuum solenoid (actuator) located under the battery tray or the electronic solenoid on the front differential. Most commonly it is the vacuum solenoid (actuator). Once you take the battery and battery tray out you will see the rubber bladder of the vacuum solenoid (actuator) if it is torn or busted replace it. Check the vacuum solenoid (actuator) located under the battery and battery tray. It could also be the vacuum solenoid located on the firewall above the distributor (approx. 3"x1")
Cruise control vacuum solenoid.
It is not adjustable. It is computer controlled. If idle speed is incorrect you have a vacuum leak or a sensor/solenoid issue.It is not adjustable. It is computer controlled. If idle speed is incorrect you have a vacuum leak or a sensor/solenoid issue.
A HVAC solenoid vacuum valve module.
It's under the hood, on the driverside, on the firewall.
Its a Heater & A/C Control Vacuum Control Solenoid Valve