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Fuel pump frequency, value

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Measurement range 0-10 Hz.

Reading off the pump frequency of the fuel pump.

For cars manufactured up to week 38, 2001 inclusive:  In status no. 2 the pump operates at 5.5 Hz.

Cars manufactured from week 39, 2001 inclusive:  In status no. 2 the pump operates at 6.8 Hz.

In status no. 3 the pump is controlled by the water temperature. In status nos. 4 and 7 the fuel pump is switched off (0 Hz). The fuel pump is not active in status nos. 1, 7, 5, 6 or 8.

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