2000 corvette with ls3 no crank need help!! - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 08-02-2014, 07:18 PM   #1
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Default 2000 corvette with ls3 no crank need help!!

hello I have a 2000 corvette C5 with an 2012 ls3 crate engine and the lingenfelter kit for the cam and crank sensors they are plugged in just as they are labeled and also we have installed an A.R.E oil pan for the dry sump system and the oil pan sticks out some past the block so we used an older corvette starter that has one lil ear so it would get past the oil pan..it turns over but it kinda slows down after a few seconds of turning over then some times you get a rumble back threw the exhaust and have experienced this before with cam sensor but went back and checked and everything looks normal...getting no spark to the plugs but have power and ground to the coils? need help quick gotta race in Daytona soon any ideas are great!!!

thank you!
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Old 08-03-2014, 05:45 AM   #2
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If your getting no spark, you need to diagnose why to begin in. Considering 100% of this is aftermarket upgrades, we don't know much about your setup.
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Old 08-03-2014, 10:06 AM   #3
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did you put the stock crank pulley and crank sensor from your original engine or something else. did you check the wires for a pinch in the ckp circuit or the signal circuit to the coils. do you have a live data scanner?
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Old 08-04-2014, 12:40 PM   #4
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apparently nobody here has ever done an engine swap and needed to put a lingenfelter kit on there car the kit is to transfer signals from crank and cam outputs and convert between different reluctor wheels , to alow car to crank off stock pcm
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Old 08-04-2014, 12:41 PM   #5
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if you want to get technical i could go into detail
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Old 08-04-2014, 01:44 PM   #6
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you have the green LED? you have a scanner so you can read engine rpm through the pcm?

The TRG-002 incorporates a bi-color LED to indicate the operating status. When first powered up
and/or no crankshaft signal is present the LED will be RED to indicate the processor is booted and
ready. After a valid crankshaft and camshaft signal (engine rotating) is present the LED will switch
to GREEN to indicate that the input signal(*) are valid and the 24x crankshaft and cam sync outputs
are active.
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