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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-260A: Long-Term Fuel Trim. Upper Limit (B5254T2; 2004) >> Upper limit >> Checking the fuel injection system >> Notes

Checking the fuel injection system: Notes

Test drive the car for approximately 10 minutes

Check the mass air flow (MAF) sensor. Read off its correction factor. The value should be between 0.8 and 1.2.

NOTE:

There must not be any air leakage when this test is carried out.

Remedy as necessary.

Other information 

Fig 1: Identifying VCT2000 Diagnostic Tool Symbol In VIDA
GLL100564Courtesy of VOLVO CARS OF NORTH AMERICA.