Oculus_Rex Posted November 7, 2015 Share Posted November 7, 2015 In March I bought a 2005 Focus Ghia 1.6 from a car dealer. Luckily I also bought an extended warranty that means I pay nothing for the first year in terms of repairs. My engine management light came on in July. I took it in and the coil pack had gone, which they replaced with a non Ford part. 5 weeks ago the light came back on and the car was hesitating on acceleration. They checked it over and replaced the cool pack again with a Ford part. They also replaced the leads and plugs. A week ago the light came back on and the car started hesitating again. It's booked in for Monday and I have no doubt the coil pack will have gone again. My question is, what could be the underlying cause of it to fail 3 times in 4 months? Many thanks. Quote Link to comment Share on other sites More sharing options...
iantt Posted November 7, 2015 Share Posted November 7, 2015 are they putting contact grease in the ends of ht leads? also the connector/wiring to the coil packs are known to give issues Quote Link to comment Share on other sites More sharing options...
mjt Posted November 7, 2015 Share Posted November 7, 2015 If the plug gaps are too wide this will result in a higher voltage which can cause the coil pack and/or leads to break down. The gaps may be set at 1.3mm out of the box. This should be reduced to 1.0mm. Quote Link to comment Share on other sites More sharing options...
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