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[Engine] After the throttle the engine stops
#1
morning when starting if depress the gas engine stops, but it always starts, stops even if I move a wheel-there is a sensor on the servo, allowing the control unit increases the speed and the engine stops if you let the engine run at idle for about a minute so it is not almost no effect, while driving then, everything ok ...
I start in the morning when I leave idle and drive down the hill and at the rate of gain will put two and then add the gas and not run, total blackout for a few seconds, choke, and he goes ...
exchange:

lambda sensor
ignition coils, cables, plugs
filters
speed sensor
Control unit
stepper motor
fuel pressure 2.5, after disconnecting the vacuum 3.1
valve adjustment
oil consumption per 1 l 10000 km
 
Video of diagnostic https://www.youtube.com/watch?v=4PLvOhy-dTY

Thank you for your help



ráno, při spuštění, pokud sešlápnete plynový motor se zastaví, ale je to vždy začíná, se zastaví, i když jsem se přesunout na kolové podvozky, že je čidlo na serva, takže řídicí jednotka zvyšuje rychlost a motor zastaví, pokud necháte motor běžet při volnoběhu asi minutu, takže to není téměř žádný vliv, při jízdě poté, vše v pořádku ...
Začnu ráno, když jsem se odejít v klidu a jet z kopce dolů a ve výši zisku se dal dvě a pak přidat plyn a nelze spustit, úplnému výpadku po dobu několika sekund, dusit, a on jde ...
výměna:

lambda sonda
zapalovací cívky, kabely, zástrčky
filtry
snímač otáček
Řídící jednotka
krokový motor
tlak paliva 2,5, po odpojení vakuum 3.1
regulační ventil
spotřeba oleje na 1 l 10000 km
 
Video z diagnostiky https://www.youtube.com/watch?v=4PLvOhy-dTY

Děkuji za vaší pomoc
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#2
What engine? Year? 1st guess would be airleak or MAF but I cant see what it says on your vid (too blurred)
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#3
engine KFX 1.4i, 1997, MM1AP.40
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#4
video goes the full screen then it is predictable

Thank you very much
Reply
#5
(04-09-2015, 01:06 PM)soundlovers Wrote:  
(04-09-2015, 01:06 PM)soundlovers Wrote:  engine KFX 1.4i, 1997, MM1AP.40

Check all vacuum and air pipework for leaks. Listen for a hissing sound (with engine idling) from Servo & pipework, also EVAP valve. Check MAP/MAF sensor
Thank you very much
video goes the full screen then it is predictable Not on my screen.

Thank you very much

It sounds as if your engine is going lean on operation of throttle.
Other causes could be temp sensor but Diagnostics with live data would ideally be needed to be used. Your PP2000/Lexia will do this.
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#6
Hello I found on the throttle potentiometer irregularity:
One side of the resistance potentiometer has progressively increasing the other side gradually decreasing - and here is the problem with the first value decreases then increases and continues descending ... as it is mended?

Here you can give the resistance?
Here you can give a sample oscillogram oscilloscope to the oxygen sensor from a cold engine over heated?

  thank you
Reply
#7
I would have expected you to have a fault code of P1120-P1126 or P1214-P1217 depending on whether you mean App or TPS when you say "throttle potentiometer irregularity:"
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