Home >> Ford >> 1985 >> E 250 Van V8-302 5.0L >> Repair and Diagnosis >> Powertrain Management >> Technical Service Bulletins >> All Technical Service Bulletins >> EEC IV Emissions Diagnosis - Supplemental Information >> EEC IV - Pinpoint Tests - All Vehicles 1987 19-3 >> Vane Airflow Sensor (VAF) >> Pinpoint Test Fault Code 26, DK 1 & 2