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Mk4 Fiesta 1.25 Misfire

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Old Sep 27, 2010 | 07:09 PM
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Default Mk4 Fiesta 1.25 Misfire
My Mk4 has a slight misfire i have fitted a new coil pack but still misfiring anyone got any idea's could it be the MAF sensor is there a way to test it


Cheer's Brian
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Old Sep 27, 2010 | 07:42 PM
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Disconnect the maf and see if it changes.
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Old Sep 27, 2010 | 07:43 PM
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What about leads and plugs?

Martin
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Old Sep 27, 2010 | 07:53 PM
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Originally Posted by wirralphil
Disconnect the maf and see if it changes.
Done that this afternoon and the car runs really rough and goes to cut out

Originally Posted by martysmartie
What about leads and plugs?

Martin
Plugs where new 8,000 miles ago and tbh i am not sure when the leads where changed


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Old Sep 27, 2010 | 07:57 PM
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I would check leads first and then check the plugs, there not Bosch are they?

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Old Sep 27, 2010 | 08:11 PM
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Leads look like Gen Ford ones


Brian
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