Possible Causes
| Possible Causes |
|---|
| LEAK IN THE INTAKE AIR PLUMBING OR INTAKE MANIFOLD LEAK |
| HIGH RESISTANCE IN THE 5-VOLT SUPPLY CIRCUIT |
| HIGH RESISTANCE IN THE BOOST PRESSURE SIGNAL CIRCUIT SHORTED TO GROUND |
| HIGH RESISTANCE IN THE SENSOR GROUND CIRCUIT OPEN/HIGH RESISTANCE |
| BOOST PRESSURE SENSOR DRIFTED OUT OF RANGE |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .