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Author Topic: Missfire  (Read 1129 times)

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gazza998

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Missfire
« on: 15 October 2008, 21:45:57 »
Hope someone can help on this 2.0L 16v when engine gets warm i sometimes get a slight missfire but on monday when driving along engine lost power as if running on 2 pots eml came on when i stopped and restarted the car all was fine ive been told by the rac it could be the crank sensor. could this be right i would be greatfull for any advice. :-/
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iainb

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Re: Missfire
« Reply #1 on: 15 October 2008, 22:19:44 »
That sounds about right but some of the 2.0L jockeys should put you right
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rickyboy

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Re: Missfire
« Reply #2 on: 16 October 2008, 00:46:33 »
Sounds like cam sensor mate.  Crank sensor is more common on the v6's.  Easy way to find out - read paperclip test in the maintenance section.  Count the flashes and post the code.
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gazza998

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Re: Missfire
« Reply #3 on: 16 October 2008, 02:40:54 »
thanks for advice i with give it a try cheers
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gazza998

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Re: Missfire
« Reply #4 on: 16 October 2008, 18:15:57 »
ive given paper clip test ago and no codes came up which sensor should i try first. :-/
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rickyboy

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Re: Missfire
« Reply #5 on: 16 October 2008, 20:09:17 »
When you say in your earlier post that the EML came on was that before or after the engine stopped?  If it came on while the engine was still running there should definitely be a code stored in there.  

Give the paperclip test another bash if that's the case.  I use a piece of broken off solder to short the pins as I find it fits into the pins a lot better.

If you are sure there are no codes you could try cleaning the cam sensor.  Take off the fan belt, timing belt cover, ecotec strip (spark plug cover), remove the plug from the cam sensor.  Then remove the sensor itself - it sits between the cam sprockets at the front of the engine.  Clean the metal part of the sensor and it's mating face.
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tunnie

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Re: Missfire
« Reply #6 on: 16 October 2008, 20:14:40 »
spark plugs?
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jimmas

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Re: Missfire
« Reply #7 on: 16 October 2008, 20:21:20 »
yep does sound like cam sensor, my 2.2 used to have a similar fault like that replaced cam sensor no more probs.  :y
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gazza998

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Re: Missfire
« Reply #8 on: 17 October 2008, 23:37:09 »
hi to you all ive cleaned the cam sensor today and miss fire as now gone away many thanks for all of your help cheers gary :y
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rickyboy

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Re: Missfire
« Reply #9 on: 18 October 2008, 12:09:02 »
Quote
hi to you all ive cleaned the cam sensor today and miss fire as now gone away many thanks for all of your help cheers gary :y


Good to hear, top job!  :y
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