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i know there are already lots of threads on noises but i didnt find one that really fit my description. when excellerating moderate or hard when i first hit the throttle i hear what has to be the slack in the primary wich i understand but then incositantly during the excelleration i hear the same noise i think it is coming from the primary area. i thought that it may be pinging but the last tank was 93 octane and this tank i tried 88 as a recomendation both had 10% ethanol and it did it the same with both tanks. what do you suggest before the dealer tells me they all do it. \\;
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