Conversions & Swaps LSX Engines in Non-LSX Vehicles

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Old

Oct 25, 2008 | 01:04 PM

#1

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help

ive been having trouble getting my swap to run the vehicle is a 1993 Chevrolet k2500 and the engine is from a 2004 Yukon, its a 5.3 flex fuel. i cannot get the engine to spark all my grounds are good the coils get 12 volt constant but no pulse the engine is getting fuel and you can smell it when i hook up a scanner to the obd2 port it shows rpm when cranking so my crank sensor is good correct? it also shows no codes. do you gurus have an ideas that could help me out, thank you.

Old

Oct 26, 2008 | 03:50 PM

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Maybe it's the VATS(vehicle anti theft system). Doesn't that need to me turned off when you do a swap?

Old

Oct 26, 2008 | 04:06 PM

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vats has been removed and i heard vats effects fuel not spark correct?

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Oct 26, 2008 | 04:43 PM

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I'm not too sure how the vats works exactly. Hopefully someone will chime in and help you figure it out. Good luck bro.

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Oct 26, 2008 | 06:00 PM

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thanks for your help anyone else have any ideas? tonight im ordering a new camshaft position sensor and hoping that will will fix it.

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Oct 29, 2008 | 11:29 AM

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no one can help im at wits end with this truck right now

Old

Nov 7, 2008 | 06:52 AM

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did you get it running? Did you have the VATS deleted?

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