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New Edge Cobras
Cobra hesitating at 1500-2100 rpm?
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<blockquote data-quote="stang8762" data-source="post: 10147142" data-attributes="member: 21822"><p>My cobra has a slight hesitation/bucking at 1500-2100 rpm at part throttle. I had the problem for a while and i figured i would just deal w/ it b/c i was adding a turbo .. Now that i added the turbo and a assortment of parts its still there even after it was tuned. Its real bad when the car isnt up to temp . I have since brought it to my tuner and we took it down the road so he could road tune it .. He felt the hesitation but he said everything looks good as far as numbers ( mass air function , o2 and so on). He added a little fuel at the hesitation rpm and told me to drive it around but its still there, only now the hesitation is at about 1800-2200. He also said it could be mechanical or a charecteristic of the car. Before i take it back to the tuner does anyone have any ideas? </p><p></p><p>Again the hesitation was there before the turbo kit, new parts, new motor, tune and parts listed below so im thinking its somthing other than the tune.</p><p></p><p>I have added new:</p><p></p><p>Forged motor </p><p>70mm turbo 6psi 455hp</p><p>03/04 tank and pumps</p><p>HPX mass air blow through</p><p>60lb injectors </p><p>fuel filter</p><p>Tr6 plugs gapped at .030</p></blockquote><p></p>
[QUOTE="stang8762, post: 10147142, member: 21822"] My cobra has a slight hesitation/bucking at 1500-2100 rpm at part throttle. I had the problem for a while and i figured i would just deal w/ it b/c i was adding a turbo .. Now that i added the turbo and a assortment of parts its still there even after it was tuned. Its real bad when the car isnt up to temp . I have since brought it to my tuner and we took it down the road so he could road tune it .. He felt the hesitation but he said everything looks good as far as numbers ( mass air function , o2 and so on). He added a little fuel at the hesitation rpm and told me to drive it around but its still there, only now the hesitation is at about 1800-2200. He also said it could be mechanical or a charecteristic of the car. Before i take it back to the tuner does anyone have any ideas? Again the hesitation was there before the turbo kit, new parts, new motor, tune and parts listed below so im thinking its somthing other than the tune. I have added new: Forged motor 70mm turbo 6psi 455hp 03/04 tank and pumps HPX mass air blow through 60lb injectors fuel filter Tr6 plugs gapped at .030 [/QUOTE]
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Cobra hesitating at 1500-2100 rpm?
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