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Old 07-14-2012, 02:12 AM   #1
Mecatec
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Question mégane 1.9 dci pb d'injection

après le montage de moteur du mégane 1.9 dci 2001 le moteur ne démarre pas et le témoin des bogies de préchauffage reste fixe d'après le scanner;
1806 débitmètre massique d'air
signal trop élevé
j'ai testé les injecteurs sur autre voiture les injecteurs marche normale

aide s.v.p

merci
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Old 07-14-2012, 02:45 AM   #2
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salut tu devrais regarder avec ton apareil les valeur reel et voir la pression rampe il te faux environ 300bar
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Old 07-14-2012, 03:54 AM   #3
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Quote:
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salut tu devrais regarder avec ton apareil les valeur reel et voir la pression rampe il te faux environ 300bar
oui la pression est normale mais pas d'injection je pense que c un probleme d-alimentation des injecteurs
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Old 07-14-2012, 11:19 AM   #4
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tu a changé le moteur pour un autre ou c'est le meme moteur
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Old 07-14-2012, 01:54 PM   #5
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si tu as mis un moteur d'occas regarde si ta pompe hp set la même que sur l'ancien car si cp1 à la place de cp3 ça ne peu pas tourner manque pompe de gavage
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Old 07-14-2012, 10:43 PM   #6
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Vérifié à la valise ta pression de démarrage Au alentour de 300 bars
Tes infos de phase PMh et AAC calage distribution
Le volant moteur est t'il identique
Le faisceau est t il d origine et t il bon ?
Vérifié tes masses
Quel calculateur réponds à la valise ?
À la valise vérifie tes tensions d alimentation des capteur
Peut tu prendre tes compressions ?
Par quel moteur à tu fait le changement f9q mais lequel
Donne nous plus d infos ton type de vin
Essai de l amorcer au start pilot
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Old 07-19-2012, 12:40 AM   #7
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salut, vérifier le calage de volant moteur
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Old 07-19-2012, 03:43 PM   #8
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Oui aussi le calage Mais surtout la clavette de poulie d arbre à came
Essaie aussi de prendre tes compression
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Old 07-19-2012, 06:09 PM   #9
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mon frere zekhrouf prens le chemin de raisinsec ; il a presque tout dis et bon continuation
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Old 07-20-2012, 11:42 PM   #10
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alors le calage est ok
la compression ok
on a changé que les pistons pas le moteur complet
pas d'électricité dans les faisceaux des injecteur
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Old 07-21-2012, 01:07 AM   #11
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Et avant elle démarrais cette voiture ?
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Old 07-21-2012, 01:49 AM   #12
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alors il ne reste qu a verfier ton calculateur si il est bien alimente
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Old 07-21-2012, 04:06 PM   #13
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Quote:
Originally Posted by mick711 View Post
Et avant elle démarrais cette voiture ?
non elle démarre pas
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Old 07-21-2012, 06:45 PM   #14
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Pourquoi avoir changé les pistons si elle ne démarrait pas ? Avez vous pris les compression et fait un test d'étanchéité de cylindre avant ? La je ne comprend plus rien c'était mal expliqué au début et ce n'est toujours pas mieux ^^
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Old 07-26-2012, 06:39 AM   #15
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slt les amis voila les Valeurs réelles de la voiture en contact:
Pression atmosphérique 88 kPa
Température du carburant 60 °C
Pression carburant "Rail" 730 kPa
Différence de pression dans le rail 24410 kPa
Débit d'injection 35.8 mg
aide s.v.p
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