2010 Buick Enclave P0496 purge flow

2010 Buick Enclave P0496 purge flow

On the 2010 Buick Enclave, the P0496 is a problem in the EVAP Purge System. This can either be a problem with the EVAP Purge Valve or the Fuel Tank Pressure Sensor. There is a quick test that can determine which has the fault. The test will require the use of a scan-tool that can read EVAP System items data in real time. If you do not have access to such a scan-tool, carefully inspect the vacuum lines to/from the Purge Solenoid for any cracks, holes or disconnections. Inspect the electrical…

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2007 GMC Yukon Denali P1825 Mode Switch

2007 GMC Yukon Denali P1825 Mode Switch

On the 2007 GMC Yukon Denali, the P1825 points to a problem with the Transmission Mode Switch. The IMS is part of a wire harness, which connects electrically to the control solenoid valve assembly. It is serviced separately from the control solenoid valve assembly. Inspect the IMS, harness, connector, and control solenoid valve assembly pins for metallic debris. Check for an incorrectly adjusted range selector lever cable. Visually inspect the manual shaft detent assembly for proper alignment with the manual shaft detent lever. The manual shaft detent roller must be centered…

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Chip Install: 2014 GMC 1500 6.2L

Chip Install: 2014 GMC 1500 6.2L

On the 2014 GMC Sierra 1500 with the 6.2L engine, the intake air temp sensor is built into the Mass Air Flow Sensor. The MAF/IAT Sensor is mounted to the Air Filter Housing outlet tube. At the IAT Sensor, the wire colors are: White/Dark Blue = IAT Signal ( + )White/Black = Signal Ground ( – ) Does your vehicle have a similar problem? Get connected to a Live Q&A session with a certified Auto Mechanic and get your answers on this problem now!

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