Nistune Forums

Yep, I have a multimeter, will give it a go. Haven't had time to look at it again yet ...

Pete, Yes I made it run at 15, still the same. Here is a weird log when making it run off the main map (tps switch off), I noticed the tps voltage is changing (although it is in the same position), this might be due to the battery voltage changing as the rpm rises/ falls, but it appears to be in syn...

No luck with getting it to idle properly under 1500 rpm. It will idle fine above this both off the idle map (tps switch off) and idle settings (tps switch on). It still does the same with everything blocked off including aac and cold start idle valve. Pete, it is about 200mm from the compressor whee...

Chris, Thanks, I will test nothing at 15 deg later today hopefully, I have no bov and most things are blocked now, I will try to get it idling stable. You could be right about the wiring, but when logging in stream mode it never goes to 0v which doesn't make sense as it has higher resolution than tu...

I noticed you have the Wideband set twice, I think this is designed for running two separate Widebands. Try it with the second one set to none and see what happens.

Matt, I've sprayed aerostart everywhere checking for external leaks so it doesn't appear external, so maybe disconnecting the afm might help check for internal (AAC, idle valves) leaks, but the rpm doesn't appear to relate to MAF voltage. The end of the 1531_27 log has the MAF going from 0v to 2.6v ...

I logged it again in tuner mode and it still does it with this AFM.

Here is a log, you can see it at the end.

I have changed the MAF back to the original one. The idle is still majorly hunting, I suspect an airleak or bad aac/idle valve, but I can't find it. I cleaned the aac valve and it looked ok.

Attached is the stream mode log.

I have a problem where the MAF voltage seems to be spiking. I have tried another known working MAF and it is doing the same, which leads me to think it is wiring or ECU. I have attached a log file, showing the problem, you can see it spike to 0v and up to 1.5v at idle where it should be around 1.3V....

I have a similar setup but using an Autronic Analyser, I have only quickly tested it but Nistune appears to show the same as the Analyser display. I only hooked up the ground on the DLP to the sensor ground of the Autronic and pin 1 of the DLP to the Autronic 0 to 5v output. So only two wires are ho...