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Old August 18th 06, 03:17 PM posted to rec.autos.makers.jeep+willys
Casper
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Posts: 20
Default 1993 GC Limited - I Miss My Jeep!!

>Wow......
>
>I too would be suspecting the junkyard brain. Maybe a 'new' one would
>be in order.


Yeah, it is definitly a suspect. I hope to know either later today or
in the next couple of days. Since I have access to a newer one (not
new tho), I am hoping that will help resolve things if it's needed.

>And FYI, I know that some 258 and apparently some 4.0 engines won't run
>on bosch plugs. The plugs foul black very quickly and the engine misses
>like a bugger. When I switch them to Champion plugs they run fine.


I have heard that, but have been using the Bosch for a number of years
on several of my vehicles and have yet to see this occur, until just
now. I'd be in agreement if it weren't for the fact that the other
plug brands are also fouling right now in the Jeep.

>I likely mentioned this before, but when you have a missing or broken
>ground path, the vehicle can steal grounds through things like gas
>cables and radios and shifters and brake pedals. This normally causes
>all kinds of seemingly unrelated issues usually computer or sensor
>related. One main computer ground tag point is usually a bolt into the
>block near the dipstick. There are a mess of black wires there.
>Sometimes one gets dropped out when it gets hooked up.
>Mike


Yep, went over this near the beginning of this saga. Checked them over
several times and found nothing. Although, since I know some of the
wiring has been replaced due to damage/shorting in the accident, I
keep reminding the mechanics that there still may be something they
have yet to locate.

Another concern mentioned to me was that the CPS (Crank Position
Sensor) may have a shim issue and or been damaged. I'm not too
familiar with how the vehicle can react with a damamged one, but I am
hoping this has also been looked at. I've got one mechanic saying his
tests show it's bad and a second mechanic saying it's good. Bear in
mind, it's already been replaced once, same time as the PCM.

Thanks for the input Mike!

`Casper

I plan to post what the final outcome is so hopefully no one else will
ever have to go thru this and glean some useful information from my
problems and saga.
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