enabling closed loop

[almostJDM]

for all you ecu tuner gurus out there MRX, D112CRZY, etc i havent had closed loop enabled on my f20b and now thats its getting a bit chilly my cars acting up and im almost 100% sure its cause i dont have closed loop enabled.

now my Question is will i hve to changed anything on my map if i enable closed loop?


guess ide better give ya a disc. of what exactly happens when i start my car and its around 45-50deg.

ok i fire her up and the cel stays on and the engine is louder mostly form then timing belt side so i try and give it some gas and she staggers and revs then when i let my foot off the gas she dies most of the time and it take a few trys to restart every once and a while but if i let it idle till the air comming out of the vents is pretty warm then shut the car off anf restart it it runs finem now to me this sound like its the map not having closed loop enabled what you think?

-Mychal

thanks guys

[almostJDM]

bump for the ecu tuners

[d112crzy]

What program are you using for your map?

The only time I'd enable closed loop was if you didn't tune part throttle. Every time I tune, I tune everything. So I always disable closed loop on my maps.


Now, if you're WOT area is tuned, then I'd say go ahead and enable closed loop. The ecu goes into open loop at WOT. Though, I'm not exactly sure where and when it does(which rpm).

With crome, you have the option of deciding when you want to cross over to open loop by messing with tps % and diff vac loads.

Another option Crome has is you cam edit the IAT vs ECT tables. This enables you to run open loop all the time without having to retune any time you have a climate change.

I believe Uberdata has the IAT vs ECT option as well, but I've never cared enough to mess with it.

I say enable it.

The worst thing that can happen is that your gas mileage goes down. The best thing you can do to prevent this is to get a new o2 sensor and make sure all other sensors are in great, working order.

[almostJDM]

i used uber 1.70 to tune and yea i did part throttle and all my sensors are new or in great shape. i can wait now cause its warmed up alot lol there was just a bad storm comming through and it cooled way down but yea ill try and enable it and see what it does thanks jose