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Chevy V8 evap canister PURGE valve solenoid is located top engine and bolts directly into the intake manifold. It has 1 electrical cable and 1 vacuum line.
Is there a diagram under the hood that shows the location or approximate location for something evap Usually its a evap vent solenoid and canister both are located above the gas tank.
Hello,The problem is that the EVAP system is not able to achieve or maintain vacuum during the diagnostic testThe control module tests the evaporative emission (EVAP) system for a large leak. The control module monitors the fuel tank pressure (FTP) sensor signal to determine the EVAP system vacuum level. When the conditions for running the test are met, the control module commands the EVAP canister purge solenoid valve OPEN and the EVAP canister vent solenoid valve CLOSED . This allows engine vacuum to enter the EVAP system. At a calibrated time, or vacuum level, the control module commands the EVAP canister purge solenoid valve closed, sealing the system, and monitors the FTP sensor input in order to determine the EVAP system vacuum level. If the system is unable to achieve the calibrated vacuum level, or the vacuum level decreases too rapidly, the PCM will set the code you now have.So, you either have a stuck open purge valve, a stuck open vent valve, a false reading fuel tank pressure sensor, or a cracked/broken EVAP line.
You either have an obstruction in the filler tube or the vent tube on the filler is clogged so it is not allowing air to escape as the gas is going in.
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