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International Automotive Technicians Network
94 VW Golf 2.0 EGR on at idle
Posted to Technical Discussion Forum on 5/16/2003 4 Replies

This car came in for an emissions problem, 927ppm HC and 2.98%CO at idle. Cruise emissions are fine at 131ppm and .12%.

The idle quality on this car suffers from a 99.8% duty cycle command from the ECM at idle, hot or cold. The computer commands a full EGR o... Login to read more.

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