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91 VW Passat 2.0 L rich running
Posted to Technical Discussion Forum on 3/13/2002 2 Replies

We have a 1991 Passat with a 2.0L in that is running too rich. The vehicle will start fine but will not lean out after the engine warms up.

At this point we have replace the following and the symptoms still persist.

Temp sensor Differential Pressure Regula... Login to read more.

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