P16D9

DTC Troubleshooting: P1131, P16D9

DTC P1131:

Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction

DTC P16D9:

PCM Internal Circuit Malfunction

NOTE: This DTC is stored when there is a problem in the fuel and emission systems. Check for fuel and emission systems DTCs with the HDS, and go to the indicated DTC's troubleshooting Initial Inspection and Diagnostic Overview.