babywag wrote:Your display probably has a "closed loop" readout? on/off or closed loop/open loop?
This would tell you...
When do your " issues" happen? when system is NOT closed loop or IS closed loop?
Or doesn't it matter?
Thanks for the explanation about this post. I understoof partially about the closed/open loop, but did not understand that the o2 sensor has zero influence on the tune until everything is warmed up.
My system does, indeed, indicate whether its open or closed.
It seems to be present in both situations. If i allow the truck to warm up to 165, it still seems to happen, vs. if I hop right in at 45* ECT and drive.
Hunting only happens on the first cold start. Yesterday I went outside, It was like 18*, ECT was 25* according to the EFI. It fired up quickly, instantly bogged to like 450rpm, bounced up to 700, then down to 400, 300, 200 and stalled. All within a few seconds (maybe 15 seconds from start to stall). Bumped the key again and it fired up instantly, and idled like a champ. I allowed it to hit 165 before taking off, and I actually made the engine hit about 1800RPM before going into gear. Within 100 yards of driving, it stumbled. I mashed the gas and it powered through it withou8t me getting off the pedal, then drove great for the rest of the day.
I've noticed it feels responsive and strong the way its tuned currently. I have no complaints in that department. Just still doing the silly start up issues.
Another thing. I only pulled in 8.5mpg this tank. EEK. It did include several "warm ups" without driving, letting it warm up a few times before driving, and i had it idling quite a bit last weekend while taking some pictures in the desert. Aside from that, it was city driven a lot too. I'm not super worried about that but damn thats worse than I EVER got with a carb.
I pulled a few plugs to see how things seem, one from each bank, and they were both off-white but not bright white, perhaps a bit lean if anything. No evidence of being too rich or anything.
Well it ain't just the smoke and the traffic jam that makes me the bitter fool I am But this four-wheel buggy is A-dollaring me to death.
For gas and oils and fluids and grease, And wires and tires and anti freeze....And them accessories, Well honey, that's something else.