2000 Chevrolet Silverado 1500 "vacuum system 2003 chevy" Questions

...vacuum. The EVAP system should quickly RELEASE the vacuum in the EVAP system with the EVAP purge valve OFF and the EVAP vent valve OFF (open). This test indicates a blocked or restricted EVAP vent ...

vacuum hoses. PCV system. Wiring to the two sensors in the air intake. Check position of the air intake for leaks. Tighten its screws. Check wiring in general. Do a code scanning if you have not found

system had issues, MAF (mass airflow sensor), TB (throttle body) carbon build up, intake manifold gasket leaks. Depending on how many miles are on the truck, try replacing the IAC valve. This controls

...system for obvious cracks, or leaks. Start with the Evap Purge line. You can identify this in the engine compartment as a plastic vacuum line about 5/16" in diameter and it has a service port on it ...

...the product! You have a vacuum leak in the system that controls the vent doors. First check for cracks at the vacuum reservoir, then check the various vacuum hoses and vacuum motors for a leak. ...

...vacuum hose ) now all the doors inside the heater system are run by electric motors they call them actuator's now days and they are all controlled by a computer called a HVAC control module, and most ...

...system i'm getting some kind of vacuum back-up where i can't put fuel in unless i un-hook vacuum hose from charcoal canister under neath don't want to replace everything but don't know how to narrow ...

...system. Fuel vapors are routed by hoses to a charcoal canister for storage. Later, when the engine is running a purge control valve opens allowing intake vacuum to siphon the fuel vapors into the ...

...vacuum problem due to something in your vac system went bad or got plugged or even unplugged. I would start there. every vehicle has a check engine light. you can go to autozone and they can tell you ...

...system too lean bank one first chek freeze frame data if code was set at cold engine subzero temp you may need reseal the intake on best scenario you have a vacuum leak affecting bank one double chek ...