1995 GMC Jimmy - 6 mpg - HELP!
Haven't had that car for some time, so I can't repeat the test.
However I did drive it with the 2 plug wires completely removed, with
no noticeable difference. That wasn't on the interstate unfortunately,
so I can't say what it would've done at higher speeds.
I do remember that once it started running so bad, I had to keep it out
of overdrive to maintain any speed.
~jp
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