So after about a year with a 500rw tune my FPRV is starting to give up and im starting to give up trying to get the valve out of the fuel rail.
It never threw a 1093 but did throw a 1094, rail pressure low during Idle/DFCO, and felt like it would hit a very violent rev limiter when the FPRV popped and rail pressure went down to 80mpa.
So i backed the pulse down to about 2400-2600us instead of 3000 and it quit, but then the fprv would only pop once it hit above 60mph and pressure would drop gradually to about 80mpa again.
Once it would do this it will stay like this even if you restart the engine. It like it limits it to somewhere around 60mm3 but there is no flat line it stays at it just jumps around there, and the funny thing is that when it shifts TLIQ comes in and jupms the fueling up to around 75 80mm3 and you can feel it while driving.
It goes away when I clear codes, but a code never shows up for it, not even a 1094. The only codes I have is a front tire speed sensor code which ive had forever, and a air bag sensor code from where I think a sensor came undone from where it was mounted near the radiator.
Theres no maf limiting going on or torque limiting so thats not the problem but the wierd thing is that there are no codes shown and it dosent look like its limited to a certain mm3. It is also holding the commanded 150mpa so I dont think the rail is popped when its doing this.
It never threw a 1093 but did throw a 1094, rail pressure low during Idle/DFCO, and felt like it would hit a very violent rev limiter when the FPRV popped and rail pressure went down to 80mpa.
So i backed the pulse down to about 2400-2600us instead of 3000 and it quit, but then the fprv would only pop once it hit above 60mph and pressure would drop gradually to about 80mpa again.
Once it would do this it will stay like this even if you restart the engine. It like it limits it to somewhere around 60mm3 but there is no flat line it stays at it just jumps around there, and the funny thing is that when it shifts TLIQ comes in and jupms the fueling up to around 75 80mm3 and you can feel it while driving.
It goes away when I clear codes, but a code never shows up for it, not even a 1094. The only codes I have is a front tire speed sensor code which ive had forever, and a air bag sensor code from where I think a sensor came undone from where it was mounted near the radiator.
Theres no maf limiting going on or torque limiting so thats not the problem but the wierd thing is that there are no codes shown and it dosent look like its limited to a certain mm3. It is also holding the commanded 150mpa so I dont think the rail is popped when its doing this.
