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Home >> Volvo >> 2007 >> S60 Base, AWD >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> Central Electronic Module (CEM), Rear Electronic Module (Rem), Upper Electronics Module (UEM) - Diagnostic Trouble Codes - 6 Of 13 >> CEM-5F4D: Diagnostic System. Too Long (B5204T5; 2004) >> Too long time >> Description of parameters >> Fuel pump frequency, value
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Fuel pump frequency, value

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 4.9 Hz for diesel and 5.5 Hz for petrol.

Cars manufactured from week 39, 2001 inclusive:  In status no.2 the pump operates at 5.7 Hz for diesel and 6.8 Hz for petrol.

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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