Re: Vp 5.7. Gxi -E protection mode -no alarm
Hello, I am away from the boat but I analyzed the parameter records I took during the last ride.
I compared the records between 3 different times.
The first two (3,343 & 3,366 RPM) records were taken during normal engine functioning while the third one ( 3,326 RPM) at the occurrence of the problem. So my numbers - see below - shows the difference between the engine running OK and what happens during when I loose power.
Below my findings:
- ECT Temp looks almost constant (154.4 to 155.8 F)
- Mainfold air temperature looks almost constant (109.9 - 107.2 F
- Baro derived from MAP shows a variation from 28.8 to 29.4 inHg
The following parameters shows more variation
- Maifold absolute pressure (from 24.3 to 29.3 inHg)
- MAP sensor voltage (from3.35/3.37 to 4.04 V)
- Injector Bank A pulse width (from 6.0 to 7.9 ms)
- Injector Bank B pulse width (see above)
- IAC position (from 68 to 94)
- IAC throttle follower (from 38 to 64)
- Throttle position (from 41 to 99.6 %)
- Throttle sensor voltage (from 2.16 to 4.41 V)
In addition
- Spark Advance goes from 32.6 to 28 Deg
- Cam retard from 47.66 to 48.01 Deg
Now I need some help interpreting the data..... Any suggestion will be appreciated.
Thanks in advance for all the help.
GP