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Author Topic: Help with fault codes (& engine missfiring)  (Read 912 times)

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hubbardybubbardy

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Help with fault codes (& engine missfiring)
« on: 13 March 2010, 15:10:18 »
Hello all

I am in a pickle once more lol

Yesterday I started my 3.0 moggy and it started to splutter, appearing to missfire and struggle.  I have just done the paper clip test and it comes up with two codes 12 and 31.

I cannot find a fault that matches 12, but i did find that 31 is no engine rpm signal.

Can anyone advise me as to what could cause these faults so I can have a crack at sorting it out.

Many thanks
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johnnycboy

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Re: Help with fault codes (& engine missfiring)
« Reply #1 on: 13 March 2010, 16:24:13 »
Quote
Hello all

I am in a pickle once more lol

Yesterday I started my 3.0 moggy and it started to splutter, appearing to missfire and struggle.  I have just done the paper clip test and it comes up with two codes 12 and 31.

I cannot find a fault that matches 12, but i did find that 31 is no engine rpm signal.

Can anyone advise me as to what could cause these faults so I can have a crack at sorting it out.

Many thanks

12 is just start of codes being read.  31 is no RPM from memory. was the car running when you paperclipped.  HTH
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hubbardybubbardy

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Re: Help with fault codes (& engine missfiring)
« Reply #2 on: 13 March 2010, 16:35:31 »

Cheers johnnycboy

i wasnt running the engine when doing the test, i just turned on the ignition so all the lights came on and read the fault codes as they came up.
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Welung666

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Re: Help with fault codes (& engine missfiring)
« Reply #3 on: 13 March 2010, 16:36:43 »
Where west mids are you Hub?
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hubbardybubbardy

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Re: Help with fault codes (& engine missfiring)
« Reply #4 on: 13 March 2010, 16:39:17 »
hello welung

Im in Wednesbury.
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hubbardybubbardy

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Re: Help with fault codes (& engine missfiring)
« Reply #5 on: 13 March 2010, 20:29:23 »
could anyone help with what would cause fault 31 that i am showing.
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Andy B

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Re: Help with fault codes (& engine missfiring)
« Reply #6 on: 13 March 2010, 20:34:39 »
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could anyone help with what would cause fault 31 that i am showing.

No rpm ..... your engine was stopped!  ;)
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charlie

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Re: Help with fault codes (& engine missfiring)
« Reply #7 on: 13 March 2010, 20:35:00 »
code 31 with car not running is normal :yI know very little about petrol engines,with there being no codes to worry about,i would be looking at spark plugs ,leads dispack :yaswell as checking for air leaks /vacuum leaks
« Last Edit: 13 March 2010, 20:37:49 by charlie »
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PhilRich

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Re: Help with fault codes (& engine missfiring)
« Reply #8 on: 13 March 2010, 20:36:11 »
Quote
Hello all

I am in a pickle once more lol

Yesterday I started my 3.0 moggy and it started to splutter, appearing to missfire and struggle.  I have just done the paper clip test and it comes up with two codes 12 and 31.

I cannot find a fault that matches 12, but i did find that 31 is no engine rpm signal.

Can anyone advise me as to what could cause these faults so I can have a crack at sorting it out.

Many thanks



Blimey, a 3 litre moggy minor? I'll bet that goes like stink!   ;D :y
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If it ain't broke keep fixing it 'til it is!

hubbardybubbardy

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Re: Help with fault codes (& engine missfiring)
« Reply #9 on: 13 March 2010, 20:37:26 »
cheers charlie i will start looking at the plugs and leads then, thanks for the reply, time to get hands dirty in the morning.
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