Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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EGR Boost Sensor Testing




INSPECTION
- Connect the Special Service Tools (SST)s (Engine Signal Monitor) to the PCM.




- Apply vacuum to the EGR boost sensor by using a vacuum pump. Measure the pressure at PCM terminal 3H.




- If not as specified, replace the EGR boost sensor.

USING THE NGS
- Connect the SSTs New Generation Star (NGS) tester to the data link connector-2.




- Select the PID/DATA MONITOR AND RECORD function.
- Apply vacuum to the EGR boost sensor by using a vacuum pump.
- Select "BARO V" on the NGS display. The NGS measures and shows the voltage.




- If not as specified, replace the EGR boost sensor.