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Psi harness and can’t get it to start

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Old 04-14-2018, 05:22 PM
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Default Psi harness and can’t get it to start

Alright needing some help guys. I have a lsa on a ly6 I did a psi harness swap with a 411 ecu. The ecu has been worked etc because it it ran with my factory harness but the transmission wouldn’t shift so I bought a psi harness. After I installed the psi harness I can not get this thing to run. It’s like it’s trying to but it just won’t fire and it’ll start for a second then die. Checked all my grounds they are good did a reverse check at the ecu on the 1 and the 40 on both the red and blue all in working order. I’m getting plenty of fuel all my sensors are hooked up any ideas? I believe it’s ignition related but even spraying in quick start there’s nothing. I tested the grounds on the coil packs in working order as is the power to them
Old 04-14-2018, 07:55 PM
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Coil harness connected on the correct banks? Correct crank signal for your application? 411 ecm needs a black crank sensor.

Check ign relay on harness. Make sure your ign wire (red one) is hot while key on and cranking.
Old 04-14-2018, 07:57 PM
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Are u runnin dbc or dbw? Part # for harness being used? Fuel pump turning on?
Old 04-21-2018, 04:45 PM
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Yup coil packs all in working order to the right banks and used their 24x harness I’ve swapped everything needed on the 24x
Old 04-22-2018, 02:43 PM
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Vats is off?




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