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Old 06-11-2019, 10:56 PM   #1 (permalink)
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Default sputtering at light throttle Z1

Hi there, went out playing for the holiday weekend a few weeks ago and while out there the engine developed a sputter at light throttle.
I have a wide band O2 and the regular O2 and I was running 112 leaded gas. I also threw a code related to the coil packs. It flashed for just a moment so I didnt record it. but it was on Stefans gauge flash.
It doesnt seem to be down on power though. Just hiccupy and sputtering at light throttle.

Any thoughts to what that might be?
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Old 06-12-2019, 05:52 PM   #2 (permalink)
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You do understand leaded gas and O2 sensors don't get along very well, right?
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Old 06-12-2019, 08:39 PM   #3 (permalink)
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If you got an ignition code, you definitely need to give that a once over before looking any further

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Old 06-12-2019, 09:24 PM   #4 (permalink)
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Yes I know leaded gas and O2s are not friends. Thats why I mentioned it. waiting to burn out the rest and get 91 back in.
Im not sure who the culprit is, the gas or the coil. Id guess the gas. Just wondering if any of you lake drag guys have run into this. This is my first time running the race gas, just because of the big hill climbs and occasionally Id see a knock light.
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