strange, cause its screwed all the way in, just wondering now if its TPS setting or a vacuum leak.

power FC is showing Ignition Ld as -15 on idle, is this normal ?

 

ok tps seems slightly out, will adjust this then will probably look for vacuum leaks next.

 

You mentioned sumthing about cooling issues. What exactly are the issues???

A wide band and a datalogit would help you alot, you are kinda working blind. It would also allow you to pass the information in you PFC to the people on this forum that can help you fix the problem, and get your tune worked out.

That being said find sumone around you that has properly tuned an Fd before and have them do it. You said you had a tuner with the car on the dyno, did he not address any of the problems you are having?

 

he did, but I think I may have underlying issues at the moment, so I'll upgrade the radiator and intercooler, check for any possible leaks, then get it retuned while upping the boost.

surprisingly tho I dont know whether by co incidence, the car never used to go over 89C water temp, but after the tune it goes up to 96~100 while in traffic Im having to turn on the AC to low to get the fans going.

the idle hunts around for like 3 or 4 times before settling around 1100 at the moment,

in power FC it is set too 800. any lower and it will continuously hunt.

In theory if I check for all vacuum leaks and is fine, TPS is within spec, idle screw tightened fully, and power fc idle setting set to 750, it should idle at 750 correct?

 

Don't worry with turing the boost up until you get the other issues worked out.

With the smoking and high temps under normal driving I would assume you have bigger issues. Have you pressue tested the coolant system to determine if it holds pressure??

1100 is high for stock ports. Try playing withe the adjustments on the TB for the primary and secondary butterflys. Count your turns. But if your base fuel map is off you cannot correct the issue with TB adjustments.

 

yeah I would upgrade the cooling system anyway, at the moment its pretty bad with the intercooler set as a V mount with the radiator sitting in parallel, which is not helpful with cooling at all. I'll probably attempt to find the leak, then upgrade to fmic and radiator, then get the cooling system pressure tested, THEN go for a tune.

 

Get a pressure tester do that before you spend the money stuff you might not need. If you are puffing smoke out of the exhaust at idle there is a good chance you have a coolant seal going out(might need a new engine). You can rent the tool at any autoparts store so it is FREE to do.

I have a v- mount. They work just fine. Work on the ducting.

 

yeah might do that actually, you radiator mounted in stock position ? or flipped around to a proper vmount setup ?

 

ok, checked for leaks and I cant find anything, sprayed carb cleaner around the gaskets etc,
the only thing I can now think of is the sightly off TPS, could such a small difference like this cause the idle to hunt and act like this ? all I did was clean the throttle body as it was sticking sometimes, it was pretty dirty.

Also just wondering is it not correct to just adjust the bleed screw without grounding the diagnosis connector ? is it absolutely necessary ?

 

you said-"surprisingly tho I dont know whether by co incidence, the car never used to go over 89C water temp, but after the tune it goes up to 96~100 while in traffic Im having to turn on the AC to low to get the fans going. "

With the data logit you can adjust your fan settings...

 

ok my fans are not coming on even at 97C, when is it supposed to come on at ?
it comes on when I turn on AC and it will lower the temps straight away to 89

 

Ok, have adjusted the TPS as it was out of range, the minor stumbling is gone which is fantastic, but it will not idle if I set the power FC below 900rpm idle. if I turn the AC on it will idle for some reason around around 1000rpm, do these settings even matter? because they dont seem to do anything, or maybe my TB settings are wrong ? I have the idle screw all the way down, the only thing I did notice was m secondaries are slightly open when I took the elbow off to clean the TB.

could this being slightly open not let me idle below 900 ?