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.

Start the engine and idle it for 10 minutes.

Check the mass air flow (MAF) sensor by read off its correction factors. The value should be between 2 and 12

NOTE:

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

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.