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04-09-2014 #1Registered User
- Join Date
- Sep 2011
- Location
- Eagle Point, Oregon
- Posts
- 66
LS swap run away RPM upon start up
6.0 LS swap, factory modified harness and reprogramed computer (per lt1swap.com) Starting the engine for the first time, the motor starts right up and then the RPM races really high right away. Things I have double checked: fuel pressure (56 lbs at the rail) all sensors are hooked up and all grounds are good. disconnected TPS and IAC with no change, changed throttle body gasket with no change, clamped off vacuum lines and checked for vacuum leaks, nothing obvious. Please help this is the getaway vehicle for my upcoming wedding, hence the emergency. Thank you in advance for any and all help
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04-09-2014 #2