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 damn miss fire!!

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FINN
Jonny Gav
Trev85
stu
8 posters
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stu

stu


Posts : 435
Join date : 2011-10-19
Age : 34
Location : Pelton, Chester Le Street

damn miss fire!! Empty
PostSubject: damn miss fire!!   damn miss fire!! EmptyMon 28 May - 18:09

been trying to solve this miss fire i got at the moment
only seems to happen just before 2k rpm
i'v changed my leads, coil pack and spark plugs

starting to annoy me as it looses power for a split second
any recommendations on what this could be?
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Trev85

Trev85


Posts : 1096
Join date : 2011-08-08
Age : 39
Location : Polishing the gravel rash off my roof

damn miss fire!! Empty
PostSubject: Re: damn miss fire!!   damn miss fire!! EmptyMon 28 May - 18:17

Just had same problem wiv my legacy and I changed plugs and fuel filter and it sorted it
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stu

stu


Posts : 435
Join date : 2011-10-19
Age : 34
Location : Pelton, Chester Le Street

damn miss fire!! Empty
PostSubject: Re: damn miss fire!!   damn miss fire!! EmptyThu 7 Jun - 20:38

Ok as of now i have changed my spark plugs, ignition leads, coil pack and fuel filter and i still can't get my head round this miss fire its mainly doing it around 2k rpm with a fair bit of hesitation
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Jonny Gav
Admin
Jonny Gav


Posts : 6837
Join date : 2010-03-12
Age : 53
Location : Durham

damn miss fire!! Empty
PostSubject: Re: damn miss fire!!   damn miss fire!! EmptyThu 7 Jun - 21:40

MAP sensor???
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Jonny Gav
Admin
Jonny Gav


Posts : 6837
Join date : 2010-03-12
Age : 53
Location : Durham

damn miss fire!! Empty
PostSubject: Re: damn miss fire!!   damn miss fire!! EmptyThu 7 Jun - 21:43

Ah hold on, seen this before on a sport, try disconnecting your front lambda sensor, if it goes away then its a faulty lambda.
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stu

stu


Posts : 435
Join date : 2011-10-19
Age : 34
Location : Pelton, Chester Le Street

damn miss fire!! Empty
PostSubject: Re: damn miss fire!!   damn miss fire!! EmptyThu 7 Jun - 23:56

Is my first lambda sensor on the first cat?
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FINN
Admin
FINN


Posts : 4445
Join date : 2010-03-16
Age : 48
Location : houghton-le-spring (the garage)

damn miss fire!! Empty
PostSubject: Re: damn miss fire!!   damn miss fire!! EmptyFri 8 Jun - 0:12

fingers crossed its not the 5 wire one ...

a done one on a customers car 3 month ago.

£387 rrp affraid affraid

solved the problem on his car tho Shocked Shocked
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stu

stu


Posts : 435
Join date : 2011-10-19
Age : 34
Location : Pelton, Chester Le Street

damn miss fire!! Empty
PostSubject: Re: damn miss fire!!   damn miss fire!! EmptyFri 8 Jun - 18:35

i have a very bad feeling its got 5 wires.. just had a quick look and its got one of those block connectors on

edit: just unplugged my lambda sensor and the car runs alot better, new sensor needed then Mad
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stu

stu


Posts : 435
Join date : 2011-10-19
Age : 34
Location : Pelton, Chester Le Street

damn miss fire!! Empty
PostSubject: Re: damn miss fire!!   damn miss fire!! EmptyFri 15 Jun - 0:05

Its back... Replaced the front lambda sensor which kind of fixed the problem but i still have that miss fire, a few people have suggested that it could be the coolant temp sensor
Driving back from finns tonight my engine light came on, got the fault code reader on it and its complaining about the lambda sensor bank 1
I had already changed it for a Bosch one could it be my coolant temp sensor which is bringing up this fault?
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maxboost

maxboost


Posts : 1887
Join date : 2010-03-30
Location : Driving with a big grin

damn miss fire!! Empty
PostSubject: Re: damn miss fire!!   damn miss fire!! EmptyFri 15 Jun - 11:58

Replacement sensor goosed as well ?.
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stu

stu


Posts : 435
Join date : 2011-10-19
Age : 34
Location : Pelton, Chester Le Street

damn miss fire!! Empty
PostSubject: Re: damn miss fire!!   damn miss fire!! EmptyFri 15 Jun - 18:46

Yeah but there's got to be something that is causing this
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drew160387




Posts : 1267
Join date : 2011-03-13
Age : 37

damn miss fire!! Empty
PostSubject: Re: damn miss fire!!   damn miss fire!! EmptyFri 15 Jun - 18:51

Maybe just a dodgy sensor take it back mate if not new it could have been on its way out when you bought it thats the risk with used parts.

If new then your well within your right to a replacement mate
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Robbo_22




Posts : 2072
Join date : 2010-03-14

damn miss fire!! Empty
PostSubject: Re: damn miss fire!!   damn miss fire!! EmptyFri 15 Jun - 18:54

Was it a new or second hand lambda you fitted?

Tried two s/h ones on mine last week and both were faulty (working when removed) so had to take the hit and get a new one.
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stu

stu


Posts : 435
Join date : 2011-10-19
Age : 34
Location : Pelton, Chester Le Street

damn miss fire!! Empty
PostSubject: Re: damn miss fire!!   damn miss fire!! EmptyFri 15 Jun - 19:34

it was a new one, but could over fuelling caused by a dodgy coolant temp sensor cause it to fail?
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DAZ.STI

DAZ.STI


Posts : 901
Join date : 2011-06-25
Age : 53
Location : In me garage

damn miss fire!! Empty
PostSubject: miss fire   damn miss fire!! EmptyFri 15 Jun - 19:47

Had same problem with me classic mate, bought maf sensor (found out wasnt needed) Andy K changed water temp sensor for pennies and as good as new, the car always ran better when weather was cold, if thats a help.
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damn miss fire!! Empty
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