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Home >> Volvo >> 1991 >> 740 Base, 4D Sedan, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Self-Diagnostics - Ignition System >> Control Function No. 3 >> Testing EGR Converter (California)
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Testing EGR Converter (California)

Press diagnostic unit button on test terminal 3 times, holding for more than one second each time. The light should flash at same rate as EGR converter is energized.

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