Question about 2004 Chevrolet Monte Carlo
In the trunk under the spare wheel. White tag with lots of numbers your looking for the last numbers starting with bc. It could also be on the under side of the spare wheel cover or trunk lid it looks the same white with numbers good luck
Posted on Apr 14, 2010
It is on either the drivers door jamb or the B-pillar that the door closes against. GM will typically read:
PNT: BC/CC (paint Code)
Posted on Sep 28, 2009
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Posted on Jan 02, 2017
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.
Posted on Sep 21, 2012
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