Ford Focus ignition coil

[vandexa4]

I have a 2003 ford focus my car use to run awesome until I brought it to a Shell service gas station and they replaced my ignition coils and I remember they had struggle to remove one off, however after replacing them my vehicle sometimes run great one day and the next day sometimes slow like it is not getting any power . Could it be that they messed up one of my ignition coil when they were struggling to remove one? Thanks I look forward to any feedback.

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[Russ]

Ignition coils? Does the mk1 (you said 2003 focus) have more than one coil?

[v530anh]

My MK1 has 4 leads to one coil together, I could only remove one torx t25 I think screw. Though which coil(s) did they use - I had no problem with this one:

Leads 

http://www.carparts4less.co.uk/cp4l/c/Ford_Focus_1.8_1999/p/car-parts/engine-parts/ignition1/ignition-leads/?409595360&1&6f8fbd4a09e68fc523871441cf0c47587b079f55&000198

Coil pack

http://www.carparts4less.co.uk/cp4l/c/Ford_Focus_1.8_1999/p/car-parts/engine-parts/ignition1/ignition-coil/?413770107&1&b322b5a821784ed1faec30a9293e52ad92125077&000197

I hope they did not use the £25 - £30 ones!