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 Post subject: MISSFIRE P0300
PostPosted: 07 Jun 2022, 12:08 
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Joined: 20 Aug 2021, 09:08
Posts: 5
Car: Alfa Romeo Giulietta
Buna ziua,
Am probleme la pornirea la rece cateodata, iar in ultimul timp moare si motorul la prima incercare. In rest motorul merge ok . Am schimbat uleiul, filtre, bujii. Motorul e 1.4 T JET 120 CP-an 2011.
La tester au iesit urmatoarele coduri: P0300,P0303,P0304, P0302 - Rateu apriindere cilindri- temperatura prea mare, iar ca recomandari programul da verificare module bobine de inductie sau senzorul de pozitie al arborelui cotit. As vrea sa schimb toate bobinele de inductie, astept niste sfaturi daca s-a mai confruntat cineva cu problema asta.

Multumesc!


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 Post subject: Re: MISSFIRE P0300
PostPosted: 07 Jun 2022, 13:00 
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Joined: 10 Oct 2008, 20:12
Posts: 4304
Car: Alfa Romeo GT BL
Location: 47.1528378,27.588692
Ce bujii ai pus? Sper ca NGK Iridium (­IKR9J8). Daca nu, tind sa cred ca e problema de cablaj. Nici chiar asa sa ai misfire pe toti cilindii si sa pice bobinele deodata. Ca idee, bobinele mai pot avea fisuri si trebuiesc inspectate fizic. Deh, sunt de plastic si crapa de la diferentele de temperatura.

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Alfa Romeo GT 2.0 JTS
EX: Alfa Romeo 156 2.0 TS
EX: Alfa Romeo 156 2.0 TS
Redline it once a day, keeps the mechanic away 8)


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 Post subject: Re: MISSFIRE P0300
PostPosted: 07 Jun 2022, 15:02 
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Joined: 20 Aug 2021, 09:08
Posts: 5
Car: Alfa Romeo Giulietta
Bujii am pus DENSO iridium power, nu stiu ce bujii a avut inainte, dar la fel facea uneori la pornire.


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 Post subject: Re: MISSFIRE P0300
PostPosted: 07 Jun 2022, 19:10 
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Joined: 10 Oct 2008, 20:12
Posts: 4304
Car: Alfa Romeo GT BL
Location: 47.1528378,27.588692
Bine ca-s Iridium, NGK sau Denso. Am mai auzit de problema asta cu pornirea si la Fiat-uri. Precum am spus, dau vina pe contacte imperfecte, fie ca-s fire, fie ca-s mufe.

_________________
Alfa Romeo GT 2.0 JTS
EX: Alfa Romeo 156 2.0 TS
EX: Alfa Romeo 156 2.0 TS
Redline it once a day, keeps the mechanic away 8)


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 Post subject: Re: MISSFIRE P0300
PostPosted: 14 Jun 2022, 16:48 
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Joined: 10 Oct 2008, 20:12
Posts: 4304
Car: Alfa Romeo GT BL
Location: 47.1528378,27.588692
Ar mai fi ceea ce scrie acolo, unde ECT este engine coolant temperature, ECM engine control module, MAF mass air flow.
Asta arată Autodata.


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_________________
Alfa Romeo GT 2.0 JTS
EX: Alfa Romeo 156 2.0 TS
EX: Alfa Romeo 156 2.0 TS
Redline it once a day, keeps the mechanic away 8)
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 Post subject: Re: MISSFIRE P0300
PostPosted: 16 Jun 2022, 09:20 
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Joined: 20 Aug 2021, 09:08
Posts: 5
Car: Alfa Romeo Giulietta
Salut, am verificat bobinele cu un multimetru si au toate aceeasi valoare. O sa incerc sa verific cablajul de aprindere, in rest m-am gandit si la partea de alimentare de verificat daca tine presiunea. Masina are regulator de presiune separat sau e in corpul pompei? Ce am mai observat e un zgomot in zona ceasurilor de bord la pornire, ceva electric ca un scurt si nu stiu daca este normal.


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