DTC P0451 Acura
Fuel Tank Pressure (FTP) Sensor Circuit Range Performance Problem
Fuel Tank Pressure (FTP) Sensor Circuit Range Performance Problem
Description
Elapsed time after starting the engine is 2 seconds with the throttle fully closed. The execution time is once per driving cycle and the duration time is 20 seconds or more. The FTP sensor output fluctuates by 0.3 kPa (0.1 in. Hg, 2 mmHg) or more at least five times within 3 seconds. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.
Cause and Solution
Poor connections or loose terminals at the FTP sensor and the PCM
Video Guide
Diagnostic Info
- DTC Code: P0451
- Brand: Acura