Fiesta 1.4 "rough running" after new coil/plugs/leads
Posted 21 August 2008 - 06:16 PM
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
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Posted 21 August 2008 - 10:14 PM
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 ??
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