Question about 1993 GMC Safari
Thanks, I found that a couple of the plug wires were in the wrong orderon the distributor. Now it half way starts as long as I keep the key onstart, but if I let it go it dies down and stops with a burp up throughthe throttle body. This could be timing? The bolt on thedistributor clamp is so tight I don't think it was adjusted when thecap and rotor were put on. (I didn't do the tune up) Or can thesesensors really keep the car from starting? I looked at theplugs, they are brand new but were carbon fouled and when they sparkedthey had more of a yellow spark that went across to the side of theside electrode, not straight out from the tip. From reading other blogs it seems starting is a MAJOR problem for these 4.3 V6's, and no one has a ready solution. Not to mention that just getting in there to work on it is a royal pain. I do appreciate the help, I need this thing to run, it's my only transportation.
In my experience, when a vehicle runs only with the key in the "spring loaded" start position, it has been a faulty ignition control module. which is in the distributor i believe. could produce the poor spark youre seeing.
Posted on Nov 20, 2008
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Posted on Jan 02, 2017
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