Question about 1994 Chevrolet K1500
I can see blue spark loss at the plugs and at the coil of my 5.7 engine. First attempt to solve this problem - I replaced coil, distributor, rotor, distrib. cap., spark plugs, and wires with Genuine AC parts from the dealer. Problem went away for 1 day and returned. I see blue sparks when viewed in the dark under the hood at each plug and at the coil.
This is more common when there is a high level of moisture in the air especially with older components. Moisture can settle on the distributor and wires and act as a conductor. Since you are still having this problem with the new parts I would suggest using a moisture dissipating spray such as WD-40 or PB Blaster.
Posted on Dec 05, 2008
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Posted on Jan 02, 2017
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