View Single Post
  #9  
Old August 19th 06, 11:01 PM posted to rec.autos.makers.jeep+willys
Lon
external usenet poster
 
Posts: 699
Default 1993 GC Limited - I Miss My Jeep!!

After swapping to Champions, add a fat ground braid between the body
near the battery and a nice big bolt on the engine. If that doesn't do
it, maybe the brain and or coil is just too weak to spark.


Mike Romain proclaimed:

> When the CPS goes bad, the vehicle usually up and dies. The plug and
> socket for it can and do get dirty though, but again that usually causes
> a stall. There are no shims on it, it just fits in one spot. People do
> try to alter it for modified vehicles, but that isn't normal use.
>
> Mike
>
> Casper wrote:
>
>>>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.

Ads