betwee ... 9/29/2011

1994 GMC G1500 Vandura 6Cyl4.3L - Engine

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have replaced the cojmputer and all the igniton parts but no spark;

it would run ok when i wiuld replace something but then wouod quit again.it gets no spark at all now

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  Desert Racer 9/29/2011

  by all ign parts ? ign module in Dist?.. Spark plug wires?.. Coil? Dist cap and rotor? ..Check the coil to see if it has 12v on one of the poles+ when you crank it.. Could be Ign switch.. Does the Van have a GM Security System?

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  betweentwohawks 9/30/2011

  everything inside the distributor is new and i put on a new coil
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  yboy82 9/29/2011

  Try to check out this link http://www.automd.com/diagnose/inspection to have an idea what to check if you don't have spark.

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