just installed k-pro on 2002 type-s. rinning 1.4.1 sw and loaded a base map and observed the following.
when i try to accererate the car bogs badly and a/f jumps to 32+. Even when blipping the gas when parked to A/F will jump up (see attached log). Is it normal the a/f to ever go this high???
In Parameters:
tps goes from -5% to 104.6% when configure it in Scale TPS
Do I need to adjust the sensor or does setting here eliminate the need?
When the motor is off the tps shows 0-100% but when driving seems in never goes over 10%
How do you display the TPS voltage in k-manager. This screen seems to indicate it is possiable. http://www.hondata.com/techidle.html
car bogs and a/f maxes out
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packrat555
- Posts: 13
- Joined: Sun Nov 14, 2010 9:45 pm
car bogs and a/f maxes out
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You may not have scaled your TPS correctly. The display for Throttle Voltage seems not to be among the list of available sensors.... but you can see percentage.... if it does not go from 0-100% when you fully apply throttle then something is wrong.
The TPS scaling option in the kmanager software should actually rescale the sensor for you.... for example... if closed throttle is 2v and full is 4v the software rebuilds the calibration table for the sensor to say 2v=0%and 4v=100%. The ECU should only be looking at changes in throttle percentage and not voltage. I could be wrong but most after market stand alone ecus works this way.
If you haven't touch your Tbody, I doubt the TPS sensor will be too far from the about 0.45V at closed throttle. Often times when you fit a bigger t-body or do something that requires you to move the sensor then you'll run might into the need to calibrate the sensor manually, since you might be outside of the sensors max range when you're fully on throttle.
But theres always the chance of a faulty sensor, looking at your data log the sensor seems to be working though just off or maybe out of range.
You can use a multimeter to check the voltage from the signal wire on your TPS sensor. If your sensor voltage is around 0.45v at closed throttle and about 4.9 V at full throttle then it should be working fine. You should double check how you did your scaling within kmanager.
If voltage is way off, then try to adjust the sensor manually to get it to the recommended range.
The ecu needs to accurately know how you're moving the throttle to determine things like those on the link you posted as well as accel enrichment. Extra fuel is added when you rapidly increase throttle like when you try to accelerate from low RPMs, or blipping the throttle while idling. Since your sensor's not showing anything over 10% the ecu is not providing enough fuel. Thats explain your high AFs. The car will bog and stumble due to the lack of initial fuel until the main fuel map catches up then it'll starts to accelerate normally.
wow long post...
Anyways good luck and hope this helps you.
The TPS scaling option in the kmanager software should actually rescale the sensor for you.... for example... if closed throttle is 2v and full is 4v the software rebuilds the calibration table for the sensor to say 2v=0%and 4v=100%. The ECU should only be looking at changes in throttle percentage and not voltage. I could be wrong but most after market stand alone ecus works this way.
If you haven't touch your Tbody, I doubt the TPS sensor will be too far from the about 0.45V at closed throttle. Often times when you fit a bigger t-body or do something that requires you to move the sensor then you'll run might into the need to calibrate the sensor manually, since you might be outside of the sensors max range when you're fully on throttle.
But theres always the chance of a faulty sensor, looking at your data log the sensor seems to be working though just off or maybe out of range.
You can use a multimeter to check the voltage from the signal wire on your TPS sensor. If your sensor voltage is around 0.45v at closed throttle and about 4.9 V at full throttle then it should be working fine. You should double check how you did your scaling within kmanager.
If voltage is way off, then try to adjust the sensor manually to get it to the recommended range.
The ecu needs to accurately know how you're moving the throttle to determine things like those on the link you posted as well as accel enrichment. Extra fuel is added when you rapidly increase throttle like when you try to accelerate from low RPMs, or blipping the throttle while idling. Since your sensor's not showing anything over 10% the ecu is not providing enough fuel. Thats explain your high AFs. The car will bog and stumble due to the lack of initial fuel until the main fuel map catches up then it'll starts to accelerate normally.
wow long post...
Anyways good luck and hope this helps you.