However when i was adjusting the iac steps again couple of days ago i noticed this. Fitech does not seem to like this since the linkage is binding just a little bit.
Fitech On 403 Issues Classicoldsmobile Com
Fitech stumbles on acceleration. Fitech cold start and quick drive duration. The accel pump function to increase or decrease the fuel added on acceleration. I have a pushrod operated throttle since this is a 1963 car. How to start tuning cars what i wish i wouldve known. Will see a menu with multiple different settings and you need to focus on the. My car is impala 77 l6 250 th350 273 final drive ratio and stock components.
I think about 13. To start with turn the key to the on position and then find go efi tuning on then find the accel pump and press enter. It will stumble and such now and again as it learns and adjusts. Whats your opinion for me. Goat rope garage 176367 views. Find some hills and go up and down under different throttle actions.
Make sure you are varying your driving style a bit and also the conditions it sees. I did a complete relearn after that but did not get any positive effect on the hesitation issue. In the higher gears the engine must accelerate the weight of the car on. Ease the pedal out of corners on and off the gas situations and other times get a bit more aggressive etc. What is your afr doing when it stumbles. Now when you open the throttle to lightly accelerate the engine stumbles or dies because it has gone dead lean.
A marginal fuel delivery system can be crutched in the lower gears because low gears provide a torque multiplication assist. After changing these parameters my car hesitation a lot of better and lower but it is still remains. A stumble is either a lean afr or rich afr. I need more than that.
Gallery of Fitech Stumbles On Acceleration
