help please i have a hesitation when accelorating hard and a backfire when coasting on my 95wrx. i have been told to fit new ignition lead coils to cure the problem but at 200 pounds a set i need to be sure. any ideas please.

 

I rememeber a post a few months ago (think it may have been Rich Wild), where you adjust the spark plug gap to see if it is the coil packs.
Hope this gets the ball rolling.
Cheers.
Ian.

 

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