HFS-6 Inconcistent Injection

[trdhilux]

OK thanks for that, its is possible that it is on its way out now.

i found some details on the kit, it was the owner of the car who purchased it, and had a mechanic install it (performance shop) but I don't know if they have had a lot to do these type of sytems (ie they advertise the fact they install them etc).

Will a newer model pump replace the pump I have now?

[trdhilux]

My current thoughts at the moment are to purchase a new pump, and an aquamist baffled water meth tank, and install in a dry protected area. Whilst I'm at it install an inline filter and jet with checkvalve as the jet is currently located on the supercharger intake, with no check valve.

I would also like to look at the option of changing jet size and running just water through the system, along with dropping a few psi (stock pulley) form the supercharger.

Josh

[Richard L]

All available at the online shop.

[trdhilux]

So i have finally had a chance to try and tune and run this system. Took for a quick drive to see how the system reacted with the "tune" that was already in the controller. Threshold was set to maybe 20%, and everything seemed to work OK, although I could only get it to display 3 bars. No worries, pulled over and put the jumper link on cal, and adjusted the bar graph. While i was there i adjusted the fail safe trims to 12 o'clock,put jumper back on PRK, took for another test drive and kept going to fail safe.I noticed there were no flow bars lighting up though.

Pulled over and adjusted the fail safes to full anti clockwise on WL and full clockwise on WH (i presumed this would almost eliminate failsafe??) and took for a test drive. I could see the B symbol light up as soon as threshold was met, no fail safe activating but no flow bars would light up at all.

Returned home and put unit into test, had full flow out of the jet, but no bar graph displayed. (im presuming the flow sensor is playing seized, is there anyway I can test?) Is there anaything else i should check?

Thanks

[trdhilux]

A little more testing this afternoon revealed that the unit is still spraying, had jet onto windscreen. No bars on graph. Put into test mode and couldn’t see any bars. Would the sc pot full clockwise and it would show 3 bars?? I thought this direction should tune it to display no bars. Turned it back to where I had it set 6 bats under cal mode, and nothing. Have the fcm a light tap and one bar showed up. I think the fcm may be faulty, connections seem to be ok fiddles with them all and didn’t see a difference.

Is there anyway I can clean the FCM?

Thanks