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p0301 and p0303 ....anything to worry?

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Old Aug 25, 2007 | 09:29 AM
  #1  
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Default p0301 and p0303 ....anything to worry?

help,
yesterday i put my foot down to join back on the motorway after a fill up (my
ususal vpower). 1st,2nd,3rd then engine light came just after a green light showed on my knocklink. When i got home and plugged in cel reader and found, p0301 and p0303 (1 and 3 cylinder misfired detected)
Not happed for over a yr, any thing i need to worry? the car seems normal.
cheers in advance.
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Old Aug 26, 2007 | 12:38 AM
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so no worries then!!
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Old Aug 26, 2007 | 01:13 PM
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Could be all manner of things causing it, Coil packs, leads, spark plugs, google is your friend
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Old Aug 26, 2007 | 01:42 PM
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If the light has reset don't worry about it. Could be a reaction to the fuel you've just filled up with.
If it comes back drop me a PM with your email and i'll send you the pages for troubleshooting the fault.
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Old Aug 26, 2007 | 07:49 PM
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Bugeyes are noted for this..... misfire on one of the cylinders.

Well documented, try doing a search for Neutral Position Switch

Martin
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Old Aug 26, 2007 | 11:40 PM
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The Bugeye tends to be a random CEL generator as ninnybobs mentioned ...LOL

Neutral position switch usual culprit but mine does it every few months and I ignore it

Shaun

Hi Martin..3,392 posts.... I need to stay in more
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Old Aug 27, 2007 | 09:54 AM
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I had a camshaft postion sensor failure that cause a few misfire codes, once it was replaced it was fine.
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Old Aug 28, 2007 | 12:34 AM
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hi thanks guys for info. where is the Neutral position switch? it it an easy change? cheers
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