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The mkiv Supra Owners Club

Missfiring after coil pack connector refresh


cheekymonkey

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This post is to help anyone searching if they have the same problem I did on Saturday.

 

Refreshed coil pack connectors and changed spark plugs, went for a drive. All good until turbos kicked then, then it felt/sounded like a rev limiter kicking in.

 

After much sodding about trying to isolate the fault I found that I'd got the conductors to the coil pack the wrong way round on cylinder 1. The wires are a different colour on this one and it must have confused me.

 

Interestingly it was causing an intermittent missfire rather than no spark at all on that cylinder!

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was this doing it on both turbo's or just the second 1, and was it doing it all the time.

Reason i ask if every time i do a trackday or drift day i seem to have a silly missfire on the way home but then goes away after a few days of driving the car, i also changed my clips and plugs but never checked what way i installed the wires in the new clips.

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dam not my problem, i have bought 6 coil packs so will change those to see if that helps, i had my turbo's on the TTC mod but found it just kept wheel spinning, and i love the sound of the exhaust on normal twin.

I have thought about fitting a switch so i can choose TTC as and when i want as i did like the kick, running my uk at 1.35 was quick.

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