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LOL i was thinking more like checkin it with bycicle pump

anyways do you know maybe what the voltage output from the sensor should be

Like I said, CEL is NOT on (unless i plug out the sensor wires)...
I dont know... I gues i'll try to test the hose somehow before i start looking out on scrapyards for sensors

But i think the problem isn't the vacuum line itself, it's either the sensor internal fault or somethin else

How did you find that out? Did you just went replacing the tube someday or what

----edit------

I checked it. It's connected ok. Should I seal the flanges with gasket silicon or somethin? Altough
I dont think it'll help much

Allright... please bear with me, cuz this is gonna be a longer post Engine is 1.5i SOHC Car runs fine on higher RPM, but below 2500 or 2000 it starts to jerk ... this is especially evident on 1st or 2nd gear when throttle is sligthly depressed and on gearchange onless i shift at 5k 8) It acts as if ...