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Need help with a problem on a 95 TBI 350 GMC

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Old 01-18-2009, 10:16 AM
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make sure your connections to your coil are good. it was running before you changed your coil and then after you changed the coil it would not run. you put the original back in and still would not run, sounds like you might have a bad connection there at your coil. any time you pull on the wires and not the clip as your taking a connection loose you risk pulling the wires loose out of your connection, or breaking the wire inside the plastic around the wire..just an idea
Old 01-20-2009, 03:45 PM
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Well, found what the problem was.
I ended up changing the ICM in the dizzy before I found the problem. Of course changing the ICM didn't do a thing so yesterday morning I had a friend coming over to take a look but before he got there I started thinking what all I rechecked and all I could think of was the new cap and rotor I put on so I pulled the new cap off and guess what, the rotor was not able to go all the way down on the shaft in the dizzy thus causing it to heat up the coil probe on the cap which melted the plastic around it. I went and got a new matched accel set from the parts store and BAM, started right up now runs good, (knock on wood).
Old 01-20-2009, 05:09 PM
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Ok, still not fixed all the way, I am still getting a miss off and on, it isn't a steady miss at all, one then drive a little way and another or two then run smooth. What else could this be??
Old 01-24-2009, 07:10 PM
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What does it feel like when you have bad gas or a O2 sensor or injector isn't working right?
I am still getting the same problem.

I have put some Heet in the tank and also used some Lucas Injector cleaner.
Old 01-25-2009, 05:39 AM
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Do you get this miss only at highway speed??? Like when the TCC locks in?
Old 01-25-2009, 09:06 PM
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Yes, only seems to happen when I am at highway speeds.
What does that mean??
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