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Home >> Volvo >> 2004 >> S80 Base, 2.5 59, FWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control Module (ECM) Diagnostic Trouble Codes - 4 Of 11 >> ECM-290C: Fuel Pressure. Signal Too High (B5254T2; B6294S2; B6294T; 2005-2006) >> Signal too high >> Checking components and wiring

Checking components and wiring

Check the fuel pressure sensor connectors. Check for contact resistance and oxidation.

Remedy as necessary.

Try a new fuel pressure sensor if no fault is found during the above fault-tracing.

Other information: 

Fig 1: Identifying Fuel Pressure Sensor
GLL107942Courtesy of VOLVO CARS OF NORTH AMERICA.