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The Terminator
Engine/Tuning
Car breaking up when in the boost
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<blockquote data-quote="asierra1" data-source="post: 13237187" data-attributes="member: 134507"><p>I'm finishing up my TVS swap, and have most of the bugs worked out. One that we just cant seem to figure out is why the car is cutting up under boost. It runs great until about 5 psi. after that, it goes super lean. My wideband pegs as 18. At first, we thought it was the tune, so rick sent me a couple to add some fuel. the first tune helped and the wideband only went to 15, but the issue was still there. The seconds tune added too much (we think). With the second tune on, you could tell there was a lot more fuel going in by the smell of the exhaust, and it kept dying. Didnt even check the wideband. We found out that one injector wasnt firing, so it was replaced, but the issue still lingered. </p><p></p><p>List of things we checked and fixed:</p><p></p><p>Plug gap set at .22 to insure no blow out (TR6)</p><p></p><p>all coil packs replaced</p><p></p><p>Checked for vacuum leaks and found none</p><p></p><p>Replaced bad injector </p><p></p><p></p><p>Mods are:</p><p></p><p>2.3 tvs 3.2/4lb</p><p>jlt rai</p><p>dragon tb</p><p>aeromotive a1000 set at 43psi</p><p>80lb injectors</p><p>stock fuel rails</p><p></p><p></p><p>If anyone has any suggestions on what else to check for, I'd be happy to hear them. We're going to try to datalog it tomorrow, and send the files to rick.</p><p></p><p></p><p>Thanks fellas</p></blockquote><p></p>
[QUOTE="asierra1, post: 13237187, member: 134507"] I'm finishing up my TVS swap, and have most of the bugs worked out. One that we just cant seem to figure out is why the car is cutting up under boost. It runs great until about 5 psi. after that, it goes super lean. My wideband pegs as 18. At first, we thought it was the tune, so rick sent me a couple to add some fuel. the first tune helped and the wideband only went to 15, but the issue was still there. The seconds tune added too much (we think). With the second tune on, you could tell there was a lot more fuel going in by the smell of the exhaust, and it kept dying. Didnt even check the wideband. We found out that one injector wasnt firing, so it was replaced, but the issue still lingered. List of things we checked and fixed: Plug gap set at .22 to insure no blow out (TR6) all coil packs replaced Checked for vacuum leaks and found none Replaced bad injector Mods are: 2.3 tvs 3.2/4lb jlt rai dragon tb aeromotive a1000 set at 43psi 80lb injectors stock fuel rails If anyone has any suggestions on what else to check for, I'd be happy to hear them. We're going to try to datalog it tomorrow, and send the files to rick. Thanks fellas [/QUOTE]
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Car breaking up when in the boost
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