RSX with K-Pro hesitation at low RPM - need help - K20A.org .:. The K Series Source . Honda / Acura K20a k24a Engine Forum
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Old 03-21-2013, 11:13 PM   #1
lilcole
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Exclamation RSX with K-Pro hesitation at low RPM - need help

My 2004 RSX Type S is giving me all kinds of troubles at low RPMs. I have reviewed other threads and I see answers ranging from TPS issues to clutch problems, but I do not believe that either of these will resolve my issue. I have a few mods done to my car. I have a completely built top end, intake, exhaust, and of course, K-pro. I have data logged the hesitation that I am experiencing just in case it will help and I have also videotaped it. This issue is becoming more and more annoying. Someone please help! Thanks

http://youtu.be/uoXMtg_AL3A
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File Type: zip studder1.zip (101.6 KB, 15 views)

Last edited by lilcole; 03-22-2013 at 05:22 PM..
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Old 03-22-2013, 12:25 AM   #2
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Default Re: RSX with K-Pro hesitation at low RPM - need help

Calibrate the TPS in kpro?..

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Old 03-22-2013, 06:44 AM   #3
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Default Re: RSX with K-Pro hesitation at low RPM - need help

what injectors? what TPS? what throttlebody?
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Old 03-22-2013, 01:23 PM   #4
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Default Re: RSX with K-Pro hesitation at low RPM - need help

What gear u in at what speed and are u flooring it or estimate the pedal percentage from zero is no throttle and 100 is full throttle
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Old 03-22-2013, 05:21 PM   #5
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Default Re: RSX with K-Pro hesitation at low RPM - need help

Stock injectors, throttle body and TPS. It happens at slow speeds and in neutral with about 5% throttle. I personally did not tune the car, so I don't really know anything about K-Pro or how to calibrate the TPS.
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Old 03-23-2013, 12:20 AM   #6
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Default Re: RSX with K-Pro hesitation at low RPM - need help

my car does the same thing too.. check your tps in the kpro to see if u have a 0-100 reading.. go to the knock sensor tab, and at the bottom there are two field with a read button, with no throttle read the 0 then full throttle read the 100. if you read anything other than a 0 and 100, this can be the cause of a hesitation, i have the same issue in my EP3 where i did change the tps and i have yet to ercalibrate it so it bucks at low speeds and can be compensated for with this reading but its still not going to be 100% unless it reads properly. the other thing i was thinking about is maybe because of your mods you could be hitting a lean or a rich spot too.
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Old 03-23-2013, 04:55 PM   #7
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Default Re: RSX with K-Pro hesitation at low RPM - need help

I am in K-Pro and the TPS reads 0% and 100% without any flaws. Any other ideas?
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Old 03-23-2013, 05:30 PM   #8
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Default Re: RSX with K-Pro hesitation at low RPM - need help

kind of weird. Do you have an option about "engine load" or some kind of "load" turned off?
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Old 03-24-2013, 01:46 PM   #9
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Default Re: RSX with K-Pro hesitation at low RPM - need help

I noticed something pretty weird concerning this issue. Yesterday, I could not replicate the problem, but then today it started happening again and the CEL came on. I'll have it read and get back to you. Thanks.
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Old 03-24-2013, 01:55 PM   #10
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Default Re: RSX with K-Pro hesitation at low RPM - need help

i was looking at k-manager. Do you have lean protection turned on? Lean protection can cause studdering and choking.

the "engine load" thingy is under "parameters" and under "lean protection"
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Old 03-24-2013, 02:14 PM   #11
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Default Re: RSX with K-Pro hesitation at low RPM - need help

Lean protection is turned off. I really dont think that it has anything to do with my tune or K-Pro for that matter. I have two codes P0138 (Secondary O2 circuit high voltage) and P0139 (Secondary O2 circuit slow response). Could these be causing my issue?
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Old 03-24-2013, 07:57 PM   #12
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Default Re: RSX with K-Pro hesitation at low RPM - need help

try turning off secondary ob2 emissions stuff off in kpro.
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Old 03-24-2013, 10:32 PM   #13
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Default Re: RSX with K-Pro hesitation at low RPM - need help

^ that could be it, i don't run any of the o2 reading stuff and the car has not done it .. not sure if its directly related but it's worth a shot. BTW i see you are local to me, who do you hang out with? and do you ever plan on getting it tuned? i might have solutions for ya
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Old 03-25-2013, 03:10 AM   #14
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Default Re: RSX with K-Pro hesitation at low RPM - need help

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Old 03-25-2013, 06:53 PM   #15
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Default Re: RSX with K-Pro hesitation at low RPM - need help

Quote:
Originally Posted by gtimportfanatic View Post
^ that could be it, i don't run any of the o2 reading stuff and the car has not done it .. not sure if its directly related but it's worth a shot. BTW i see you are local to me, who do you hang out with? and do you ever plan on getting it tuned? i might have solutions for ya
I actually moved to Hawaii and didnt have my location updated, and its already tuned.

Thanks for the tips guys. I do have one dumb question though. Since my car was tuned in New Hampshire, do I need their data file in order to make changes in K-Pro?
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Old 03-25-2013, 06:55 PM   #16
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You can pull it from the ecu, but I think it depends on your version of kpro.
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Old 03-25-2013, 06:55 PM   #17
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And hey, keep us updated please.
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Old 03-25-2013, 08:16 PM   #18
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Default Re: RSX with K-Pro hesitation at low RPM - need help

try pulling it from the ecu, if not then you will need them to send you the kal.
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