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Cayenne Surging After coil and spark Plug replacement. PLEASE HELP


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Can someone please help me. I just replaced the ignition coils and spark plugs on my 2004 Cayenne Turbo and now it feels like the power surging between 4k-6k RPM when I go full throttle. Instead of accelerating smoothly it feels like the engine is cutting on and off, it only happens when I press the gas pedal all the way to accelerate. Could it be a faulty coil or something I did wrong when I replaced them. I gaped the new plugs at .060, it this correct? Any help would be very much appreciated.

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connections are good and coils are not cracked, I thought the plugs may be pre gapped but my manual said to Gap at 1.6mm, is this too big? everywhere else online seems to say it should be .032" (.8mm), does anyone know the correct gap on a 2004 Cayenne turbo?

Edited by jpatel15
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  • 1 year later...
  • 1 year later...

I have been having surging issues similar to you. I have replaced all of the coils and spark plugs with OEM porsche. My vehicle though has EVOMSit ECU tune so I don't know if there is a way to tell if it is the tune causing the vehicle to surg or maybe the gap on my spark plugs is wrong. I thought that the OEM spark plugs come with the appropriate gap. Should I check my spark plugs and change the gap since I am running a tune?

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