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Old 02-23-2014, 02:07 AM   #1
haikoaper
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Default Probleme seat leon 1.9 tdi 150

Salut les ga j'ai un ptit probleme sur une seat leon 1.9 tdi 150 ch ané 2005
Alor pou commancé aucun defaux a la valise

Enfaite le vehicule acroche un demi seconde vers les 3000 3500 tour/min puis reprend si non quand elle reprende elle as la puissance quil faux
Jai verifié le turbo elle nest pas gripé les papillon souve bien
Filtre a aire neufe vidange ok avec filtre

Le sircuit de vide ( les tuiyau fin pour egr, regulateur , clapet sont en bon etat et biensur lEgr il est propre et il marche

Pour le probleme ca rest un mistere pour moi
Quand je regarde les valeur en temp réél en 3 eme plain gaz la pression atmospherique arive a 2500 bar et vers les 3000 tour minute elle baisse puit reprend


Esque quelqu'un sait dou ca peut venir

Merci d'avance
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Old 02-23-2014, 07:52 AM   #2
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je pense au débimètre cdt
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haikoaper (02-25-2014)
Old 02-23-2014, 09:20 AM   #3
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tu confond la préssion atmosphérique avec la préssion de suralimentation , 2500 mb en pression atmosphérique ont serai dans la m**** ^^

interverti des électrovanne pour essayer , entre ton egr et turbo
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Old 02-23-2014, 09:56 AM   #4
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Salut peut venir aussi du potentiomètre de pédale d accélération
J ai connu sa sur une new beetle
Tu démonte la pédale un petit netoyage
C est mon avis rien de sur
Bonne chance dans tes recherche
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Old 02-23-2014, 11:02 AM   #5
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salut
un débitmètre pourrait te faire ce défaut sans remonter de def car étant dans les specifs mini maxi pas de défauts
@+++++
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Old 02-23-2014, 01:09 PM   #6
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Je vais essayer de voir et de nétoyer le debimetre
Mais j'ai un petit doute sur le régulateur de presion de suralimentation car j'ai l'impretion que le turbo se coupe un demi seconde .

Enfaite pour le debimetre
Jai le debimetre et la pression de suralimentation qui son bien sincronysé quand je regard le graphique c'est normal?
Car moi je pance si il y a un probleme de débimetre les valeurs doive chuter au niveau du débimetre mais le capteur de suralimentation ne doit pas chuter, alors que si les 2 chute en meme temp cest quil n'y as pas daspiration ou il n'y as peux au moment ou ca coupe
Cast biensur mon avis
Jai raison ?
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Old 02-23-2014, 01:11 PM   #7
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Au diveau de l'EGR j'ai un clapet qui ferme l'entré d'aire j'ai aussi pancé que ca peut venir de ca mais je ne sai pas comment tésté son fonctionement
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Old 02-23-2014, 01:18 PM   #8
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Quote:
Originally Posted by haikoaper View Post
Au diveau de l'EGR j'ai un clapet qui ferme l'entré d'aire j'ai aussi pancé que ca peut venir de ca mais je ne sai pas comment tésté son fonctionement
oui , j'ai déjà eu cette panne sur A3 , le volet ce fermait par moment
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Old 02-23-2014, 02:30 PM   #9
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Et cétait pe volet la panne ou le ptit truk noir le regulateur du vide?
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Old 02-23-2014, 03:05 PM   #10
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c'était l'électrovanne qui commandait le papillons , donc oui le petit truc noir avec 2tuyau dessus
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Old 02-23-2014, 07:20 PM   #11
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Et l'electrovàe il y as un moyen de le controler?
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Old 02-23-2014, 07:49 PM   #12
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déjà inverse en deux comme dit plus haut
et bien sur ça se contrôle, il faut une alim en 12 volts déja, et àprès c'est un signal en RCO %
mais il faut aussi avoir ta pompe à vide en bon état ,tes tuyaux ,etc
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Old 02-23-2014, 08:03 PM   #13
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salut, un trou a 3000 trs, le débitmètre je dirai
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Old 02-23-2014, 08:10 PM   #14
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ta pas de soucis au niveau du capteur d’accélération si le débitmètre est hs elle repartira pas elle se mettre en mode dégrader direct je pense
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Old 02-24-2014, 11:31 PM   #15
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Prend les courbes de ton capteur de position accelerateur et regarde si il y a des coupures alor que tu est plein gaz .
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