DF7
Diagnostic Trouble Code (DTC) 22/126 (Key On Engine Running) indicates the Manifold Absolute Pressure (MAP) / Barometric Pressure (BARO) signal is out of range for Engine Running Self-Test Possible causes:
- Damaged MAP/BARO sensor.
- Damaged vacuum hoses.
- Excess EGR flow.
- Are DTCs 326, 327, 328, 332, 334, 336 or 337 present?
Yes -- Go to EEC-IV Diagnostic Trouble Code Charts, for appropriate Pinpoint Test. Manufacturer Code Charts
No -- Go to DF8. DF8