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Hi Mr Expert,
I had three ignition coils replaced with new part in January 2020 on my 2007 Nissan Tiida because
the car was having delayed acceleration issue. However, the problem was not resolved and I have a niggling suspicion that the coils were not replaced.
Can you please kindly advise how I can check if the coils were replaced? Or should I do another diagnostic to see if the coils are still faulty?

Looking forward to your reply.

Thanks and regards,
Willie

Hi there,
I recommend taking the vehicle to another workshop and have them remove and check all the coils and sparkplugs. They can visually check if they look new or not and also check the reaming coil as your vehicle will have 4 coils of which 3 should look brand new.