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Chevy/GMC Trucks \  more 4.3 vortec help

more 4.3 vortec help

Chevy/GMC Trucks Make Specific
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calm like a bomb   +1y
Does anyone know where the camshaft positioning sensor is on the 4.3? It is a 1996, I have a problem with my injectors not firing and I heard this could be the problem. Or, if anyone has any other ideas. Parts that have already been replaced include; fuel pump, fuel filter, computer, all fuses and fusable links I was able to find, crank shaft positioning sensor, and I have some new injection parts but I would like to try this first. thanx for the help, by the way I know there are books for these trucks but I own two that don't tell where the part is.
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