MX-5 Miata L4-1.8L DOHC (1996)
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Connect the SSTs (NGS) to the data link connector-2.
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Select the PID/DATA MONITOR AND RECORD function of the NGS.
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Disconnect the vacuum hose from the vacuum tube and install a vacuum pump to the valve.
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Select the "EGRP V" on the NGS display. The NGS measures and shows the voltage.
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If not as specified, inspect the harness and connector between the EGR valve position sensor and the ECM terminal.
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If these harness and connector are OK, replace the EGR valve.
