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VTEC RON95 Myth
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<blockquote data-quote="shiroitenshi" data-source="post: 1064339902" data-attributes="member: 27518"><p>then probably your s300 has the knock sensor turned on, thus pulling ign timing on knock, hence the 'heavy feel' instead of the pinging sound of knocking. </p><p></p><p>if not, then it is possible that you have ignition/spark related issues. which should not be related to what fuel you run. I'm also in s300, but I have to disable the knock sensor due to running forged pistons. they rattle a bit when cold. </p><p></p><p>The way you described sound like missed spark or retarded timing. </p><p>I do remember earlier versions of hondata maps (pre 1.2.0) have issues of corruption after multiple map uploads and downloads. Had that back in early 2003/05's. Certain rpms bogged due to ecu randomly pulling timing. by 1.4.0, they fixed that so should not be an issue now. </p><p></p><p></p><p></p><p>First, swap your plugs, secondly try swapping your cables. I had this same issue. turned out it was my spark plug cables causing a no spark/misfire. At first thought it was tuning, but no, I couldn't tune out the bogging that only happens at sudden full throttle conditions. </p><p></p><p>It could be the mapping also, so check that too. But sometimes its just old plug cables giving too much resistance and giving you a weak spark</p><p></p><p>Sent from my GT-I9100G using Tapatalk 2</p></blockquote><p></p>
[QUOTE="shiroitenshi, post: 1064339902, member: 27518"] then probably your s300 has the knock sensor turned on, thus pulling ign timing on knock, hence the 'heavy feel' instead of the pinging sound of knocking. if not, then it is possible that you have ignition/spark related issues. which should not be related to what fuel you run. I'm also in s300, but I have to disable the knock sensor due to running forged pistons. they rattle a bit when cold. The way you described sound like missed spark or retarded timing. I do remember earlier versions of hondata maps (pre 1.2.0) have issues of corruption after multiple map uploads and downloads. Had that back in early 2003/05's. Certain rpms bogged due to ecu randomly pulling timing. by 1.4.0, they fixed that so should not be an issue now. First, swap your plugs, secondly try swapping your cables. I had this same issue. turned out it was my spark plug cables causing a no spark/misfire. At first thought it was tuning, but no, I couldn't tune out the bogging that only happens at sudden full throttle conditions. It could be the mapping also, so check that too. But sometimes its just old plug cables giving too much resistance and giving you a weak spark Sent from my GT-I9100G using Tapatalk 2 [/QUOTE]
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