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05 1500, 4.3, no spark

05 1500, 4.3, no spark

Postby chevydude123 [OP] » Mar 07 2013, 3:36am

Have an 05 silverado 1500, 4wd, 4.3, 5 speed. Started with no spark. this thing as it sits has new: Plugs, wires, distributor, cap, rotor, coil, ICM, and now crank sensor. At the coil ive got 12v on the pink wire, and have ground pulse from signal wire. All of these ignition components are OEM replacement. Has not run since replacing all parts for the final time. Distributor is not 180 out. out of ideas here. any help is greatly appreciated. The truck turns over all day long, but cant seem to get a spark out of it (checking from coil wire, not spark plug wires).
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Related Topics  93 Silverado 1500 Spark Plug Wires   94 Silverado K-1500 350 engine no spark?   E3 spark plugs   sbc no spark   Spark plug diagnose   Changing spark plugs   spark knock at certain speed   Spark plugs recommendation   old truck new spark plugs   Spark plug wires.   Spark Plugs backing out   5.3l ffv spark plug change.   2004 Silverado 4.3 No Start---- Has fuel and Spark   Spark plug replacement - Copper vs Nickle anti-seize? 
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Re: 05 1500, 4.3, no spark

Postby ASTE25 » Mar 08 2013, 7:17am

Are you sure the rotor is turning? My line of thinking is maybe the camshaft gear is broken or some other fluke. Have you checked the system for codes or had a scanner attached to the computer to check the live data?
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