jerk while in freeway

s300 and SManager software questions & answers
snwbrdrx19
Posts: 38
Joined: Sat Oct 28, 2006 7:27 pm
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Post by snwbrdrx19 » Sun Jun 20, 2010 11:40 am

no fried ecu, turned out to be a bad map sensor

sr420det
Posts: 16
Joined: Wed Jul 16, 2008 5:57 pm

Post by sr420det » Wed Jul 07, 2010 3:02 pm

im also having the same problem, havnt actually recorded it but a/f jumps to 10:1 for a second then back to normal. Il try the beta and see if that helps out

codenamezero
Posts: 26
Joined: Thu Dec 31, 2009 11:13 am

Post by codenamezero » Wed Jul 07, 2010 10:09 pm

V-Spec race development wrote:I have the same problem about jerkyness. It usually happen when i'm around 2000-3000 rpm specially before I change gears. It does not happen above 4k rpm just below that. Fells like a fuel cut off or ignition just cut off for second then it'll drive fine in the upper rpm.
Oh wow, i thought it was just me, i have the exact same thing happen at 1900-2300 rpm!!! before when i was using a p72 map, it would happen around 2500-3000 rpm, i thought maybe i shouldn't use it on my b18b, so i switch to a p75, and it still happening.

i plugged back my stock ECU, and don't seem to have such problem... this happened on the latest version 1.4.7... also in previous 1.4.5 as well.

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