LEMON Manuals: Even more car manuals for everyone
Home >> Volvo >> 2004 >> S80 Base, 2.5 59, FWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control Module (ECM) Diagnostic Trouble Codes - 7 Of 11 >> ECM-4801: Three-Way Catalytic Converter (TWC) Efficiency. Permanent Fault (B5254T2; 2004) >> Permanent fault >> Checking fuel and residual pressures

Checking fuel and residual pressures

Check the fuel pressure and residual pressure. See Checking fuel and residual pressures .

Remedy as necessary.

Fig 1: Connecting Fuel Pressure Gauge
GLL100886Courtesy of VOLVO CARS OF NORTH AMERICA.

Was the pressure OK?