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Fiesta 1.4 "rough running" after new coil/plugs/leads


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#1 simonkit

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Posted 21 August 2008 - 06:16 PM

Fiesta 1.4 2004


Recently had a problem with the Fiesta... It suddenly started running very rough & engine warning light came on, called RAC who said it showed a fault on CYL 4 & it was only running on 3 CYLs. Turned out to be coil failure so I replaced coil/spark plugs & ignition leads & whilst it's much better it now seems slightly hesitant during acceleration sometimes..

my thoughts are maybe the fuel filter or the MAF / Lamba sensor have been affected by the coil failing ?

All advice appreciated

simon

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#2 RS2000

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Posted 21 August 2008 - 10:14 PM

Try resetting the ECU by pulling out the appropriate fuse. I don't know which one it is without looking it up in the manual.

#3 simonkit

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Posted 22 August 2008 - 07:29 AM

Try resetting the ECU by pulling out the appropriate fuse. I don't know which one it is without looking it up in the manual.



Thanks for the reply......

thing is that I did this, disconnected the battery for 30 minutes, it cleared the engine management light.

It seems too much of a coincidence that a sensor etc would fail at the same time as the coil ??

simon


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