Checking fuel injection system: Notes

Check intake system for air leakage according to Check for air leaks in the intake system .

HINT: Air leakage in the intake system can occur through the canister purge (CP) valve, the secondary air solenoid valve and power brake booster. 

Check fuel pressure according to Checking fuel and residual pressures

Test drive the car for approximately 10 minutes

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

Remedy as necessary.

Other information 

• To replace mass air flow (MAF) sensor, see Mass air flow sensor (MAF), replacing .

Fig 1: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

Courtesy of VOLVO CARS OF NORTH AMERICA.

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  Refer to Verification