If boost pressure sensor output value is higher than target value for more than 6 sec. under engine speed over 1500 RPM and amount of fuel injection 20mg/hub condition ECM sets DTC P023400. This fault might be caused by faulty E-VGT actuator, vacuum leakage or increased back pressure due to clogged exhaust system.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Signal monitoring | 1. Poor connector connection 2. Faulty VGT control actuator 3. Clogged exhaust system | |
Enable Condition |
•
Engine running | ||
Threshold Value |
•
Measured BPS output value is higher than target value | ||
Detecting Time |
•
6 sec. | ||
Fail Safe | MIL |
•
On | |
EGR OFF |
•
Yes | ||
Torque Limit |
•
Yes | ||
DPF Regeneration OFF |
•
Yes | ||
