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New Edge Cobras
Cobra hesitating at 1500-2100 rpm?
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<blockquote data-quote="stang8762" data-source="post: 10847126" data-attributes="member: 21822"><p>UPDATE: </p><p></p><p><a href="http://www.svtperformance.com/forums/engine-tuning-214/718422-tr6-plug-issue.html" target="_blank">http://www.svtperformance.com/forums/engine-tuning-214/718422-tr6-plug-issue.html</a></p><p></p><p>Even though i had new NGK TR6 plugs i saw another thread on here about swapping to a non-copper plug so last night i switched to the TR6xi iridium plugs gapped at .030 and it solved the hesitation while driving . The only time it hesistates is when i let the car sit for 20 min or more or when its cold and i come out in the morning and just try to get in it and drive .</p><p></p><p>It will do it also after driving, Even though its warmed up, and i turn the car off and let it sit for 15 min. I just cant get in it and drive it or the hesitation is there have to let it idle for about 5-10min then good to go .. </p><p></p><p></p><p>It always happens about 1700-2100 rpm after letting the car sit not running.. I watched my wide band and when i give it part throttle at 1700-2100 rpm after siting the wideband goes lean and wont read when usually at 14.7 air/fuel.. After sitting idling its normal with no hesitation and AF is perfect... </p><p></p><p>Can it be a lazy o2 ? or timing or fuel , change spark plug gap ?</p></blockquote><p></p>
[QUOTE="stang8762, post: 10847126, member: 21822"] UPDATE: [url]http://www.svtperformance.com/forums/engine-tuning-214/718422-tr6-plug-issue.html[/url] Even though i had new NGK TR6 plugs i saw another thread on here about swapping to a non-copper plug so last night i switched to the TR6xi iridium plugs gapped at .030 and it solved the hesitation while driving . The only time it hesistates is when i let the car sit for 20 min or more or when its cold and i come out in the morning and just try to get in it and drive . It will do it also after driving, Even though its warmed up, and i turn the car off and let it sit for 15 min. I just cant get in it and drive it or the hesitation is there have to let it idle for about 5-10min then good to go .. It always happens about 1700-2100 rpm after letting the car sit not running.. I watched my wide band and when i give it part throttle at 1700-2100 rpm after siting the wideband goes lean and wont read when usually at 14.7 air/fuel.. After sitting idling its normal with no hesitation and AF is perfect... Can it be a lazy o2 ? or timing or fuel , change spark plug gap ? [/QUOTE]
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Cobra hesitating at 1500-2100 rpm?
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