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Near Stalling when downshift/go neutral at slow speed


lilmie28

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Hi,

I recently changed to a plug in Link g4X for the mitsubishi evo 9.

Stock engine and intake. Less forged block, Td06 22g turbo(stock location with upgraded actuator), exhaust system and 1100cc injectors.

Am facing 2 issues and unsure if they are related.

1. I experienced near stalling whenever i downshift from 4-3 or 3-2 in slow speed. And also when i put to neutral before coming to a stop, engine tends to drop rpm to the point of stalling. i need to blip throttle everytime to prevent this. this does not happen when higher revving.

2. In slow speed, (in gear 3 and 4, RPM below 2000), car tends to jerk when gas is not applied.

 

I have tried adjusting but issue still is there. Attached is my mapping.

3067X V5.pclx

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Try the map attached below.  The main problem in yours was the MAP lockout set to zero so idle control was never kicking in.  But while I was in there I also changed your idle control to closed loop and to make it more user friendly I changed the stepper reset to key off and made the keep alive time non zero to allow the stepper to reset after key off.  I flattened out a few cells in the ignition table around the idle area.  Most of your other idle settings look similar to my Evo 7 so I suspect it will work ok now.  If not, post a new log.

3067XV6 idle tweaks.pclx

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10 hours ago, Adamw said:

It looks like your idle base position is now too low.  

It seems a bit odd that is needs to be open so far, but try something like this:

Txp7sS7.png

Tried adjusting to these.

Car drove much better now. Thank u so much!!

Any recommendations/advice to which parameter to adjust if i wanna refine bit more?

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