2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

powerfc weird throttle response

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Old Apr 25, 2019 | 02:20 PM
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wongfei's Avatar
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From: Kiev
powerfc weird throttle response

s4 na, pfc, no emissions, bac disabled, map sensor + s5 tps (wide narrow)

very strange reaction to throttle input, feels like yout dont directly control the throttle

tps sensor:
vta1 0.75V .. 4.5 wot
vta2 1.0V .. 4.7 wot

map sensor also works smooth when applying vacuum

what other things to check? from my understanding no other sensors should affect throttle, means some pfc setting issue

logs: https://drive.google.com/open?id=1ur...e4uu8bkpnBNPdF


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