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Author Topic: Miss fire  (Read 897 times)

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Craig32

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Miss fire
« on: 27 October 2012, 22:25:25 »
Hi All,

Well I changed the plugs etc on Wednesday and lambda sensor and all seemed ok. Today coming from Matlock it has developed a missfire. Its worse below 2500 rpm/Tick over. Take it to over and it clears. The emissions light is back on. My gut feelings the coil pack as it has been rough from cold since I have had it.

Any advice would be welcome as I am going on holiday Friday!
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amba

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Re: Miss fire
« Reply #1 on: 27 October 2012, 23:04:22 »
Plugs/leads/dispack in that order.

Check you have a good health spark at each plug..then chech each plug lead is providing a good current for a spark..then dispack is producing power to each lead.

Thats the first port of call to check in that order imho.
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flyer 0712

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Re: Miss fire
« Reply #2 on: 27 October 2012, 23:53:37 »
Could be coil pack..may be worth talking another look at the plugs and see if they all appear to be the same colour on the electrodes and that could help to say coil pack  :y
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JamesV6CDX

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Re: Miss fire
« Reply #3 on: 27 October 2012, 23:56:28 »
In the circs, I also suspect coil pack, however I don't like randomly swapping stuff.. why was the lambda changed? Just because the emissions light came on? If so, I suspect the old one was fine...

Just to confirm, this engine has one coil pack, no leads / DIS :y
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Craig32

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Re: Miss fire
« Reply #4 on: 28 October 2012, 22:07:46 »
Well it started from cold ok but after a mile and a half the missfire was back. Its number 4 cyl. So I have purchased a new coil pack and see what happens.

The codes are:

P0130 (4) SENSOR 1 OPEN CIRCUIT

P0170 (2) LEAN EXHAUST

P1327 KNOCK CONTROL MAX SPARK CYL 2

P1329 AS ABOVE CYL 4

P0304 CYL 4 MISFIRE
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Craig32

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Re: Miss fire
« Reply #5 on: 28 October 2012, 22:15:06 »
I changed the lambda sensor due to it throwing a p0130 code up.
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