ignition coil problems? look here for some early warning signs

kms1990

Member
:
2011 mazda 3 hatchback GT
i know this maybe discussed elsewhere but i wanted anyone searching to have an easier time and see some good info in top post

1. i noticed the past few weeks it has been stumbling on idle on cold starts. rpm would jump and be erratic until car warmed up a bit.
2. it would stumble from a stop acceleration over the time it was doing number 1
3. it seemed to "fall on its face" and not have any top end power when trying to downshift and go to a higher speed in lower gear
4. the gas mileage seemed some what erratic and lower than usual
5. it started a little odd when warm, but nothing i thought of until now
6. it seemed to just lack the little bit of oomph this car remotely has.

if anyone else has any early warning signs of coil failure they wish to add please do.
 

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