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11-19-2020, 01:02 PM #1
- Join Date
- Nov 2020
- Location
- Rapid City SD
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LS3 crate engine starts and dies after a couple seconds
I have a new LS3 crate engine and 4l70e transmission from Chevy performance with wire harness and ecm. It starts immediately no issue but only runs for a few seconds then dies. No error codes. Currently it does not have any exhaust bit the O2 sensors are hooked up. Will this cause it to die? Fuel pressure is good.
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