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 Posted: Thu Jun 20, 2013 2:53 pm |
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Joined: Apr 14, 2013
Posts: 9
Trade Rating: 0
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Hi, my daughters w reg 14 206 has an intermittent missfire, goes for days with no missfire,then all of a sudden it missfires, the missfire varies from a slight miss to an all out, hardly moving missfire, not weather related as it happens in all weathers, coil pack / plugs have been changed.No fault codes come up at all. The only thing i have noticed is that there is a crack around the exhaust back box and it is loose, could this cause a missfire?, thanks for any replies in advance , Mike
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Posted: Fri Jun 21, 2013 3:47 am |
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Joined: Nov 08, 2010
Posts: 269
Trade Rating: +1
Location: Oxfordshire
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a cracked exhaust cant cause a misfire you could have an intermittant injector fault or quite possibly be ecu related
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Posted: Fri Jun 21, 2013 10:47 am |
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Joined: Feb 07, 2010
Posts: 2949
Trade Rating: +6
Location: Athens, Greece
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Or driving related, due to condition of the valves.
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| 1.4i, 2001, 3-door, China Blue
Repair safely - Drive safely | |
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Posted: Fri Jun 21, 2013 10:54 am |
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Joined: Nov 27, 2010
Posts: 11520
Trade Rating: +10
Location: What's it to you? ? ?
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| mikesrob wrote: |
| coil pack / plugs have been changed |
What make of coil & what make of spark plugs where fitted?
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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Posted: Fri Jun 21, 2013 10:56 am |
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Joined: Feb 07, 2010
Posts: 2949
Trade Rating: +6
Location: Athens, Greece
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| MrBSI wrote: |
| mikesrob wrote: |
| coil pack / plugs have been changed |
What make of coil & what make of spark plugs where fitted? |
And when, before or after the misfire appeared?
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| 1.4i, 2001, 3-door, China Blue
Repair safely - Drive safely | |
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Posted: Fri Jun 21, 2013 11:04 am |
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Joined: Apr 14, 2013
Posts: 9
Trade Rating: 0
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dont know the make of coilpack,nkg plugs, misfire was there before putting in new coilpack and plugs
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Posted: Fri Jun 21, 2013 2:23 pm |
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Joined: Apr 18, 2013
Posts: 186
Trade Rating: 0
Location: Ashington, Northumberland
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Is the tickover normally stable? If it doesn't idle properly I'd follow Timon's throttle body/sensor cleaning guide, it does make a difference.
Have you tried any fuel treatment? My 1.4 was running like a bag of nails when I got it, followed Timon's guide, filled up with petrol and put some fuel treatment in, did a 320 mile run on the A1, and she felt a different car after that. Maybe the injectors just need a bit of clean?
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| I ain't nuts, I'm condiments, I've been promoted | |
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