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Code 29: (EGR Vent Solenoid Valve)

WARNING: This page is about a different car, the 1994 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.

EGR VENT SOLENOID VALVE WIRE COLORS

Terminal	Wire Color
"A"	WHT/RED
"B"	YEL/BLK

Fig 1: Trouble Code No. 29 (EGR Vent Solenoid Valve)

Courtesy of MAZDA MOTORS CORP.