LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Acura
>>
2023
>>
Integra Base, Standard Trans
>>
Repair and Diagnosis (Single Page)
>>
Engine Performance
>>
System
>>
Engine Control System Diagnostics (P0300 - P0533)
>>
Troubleshooting
>>
DTC P04DF (1.5L Engine)
>>
Overview
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
DTC P04DF (1.5L Engine): Overview
If the FTP sensor value fluctuates from negative pressure to atmospheric pressure after the engine is stopped, the PCM determines an abnormality and stores the DTC.