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Old 06-27-2006, 06:16 PM   #7
Lt.carguy
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Join Date: Jun 2006
Location: Greene county, Indiana
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Re: 92 3.1 Lumina NO SPARK problem

My day started with the sun shinning and birds singing and went to crap shortly after.
I went to the junkyard and was lucky enought to find a 3.1 out of the car with the much sought after loom in perfect condition, it cost me a whole 5 dollars. I put it on and nothing, same @#!!&% problem as befor.
WELL, Iwas contempating just setting it on fire when I spoke to my father
who was an aricraft electrician in the Navy, He spoke of GREMLINS in the wires on some aircraft and suggested I check the ICM on the car, don't take it in to be checked, just check it on the car, soooooo, I did.
I finagled my autozone guy to come to me with the tester( I do ALOT of bussiness with autozone) so he showed up and low and behold, the ICM
FAILED over and over again, so I hauled my but to autozone and bought the
80 dollar part, while there I went ahead and got a new crank sensor and
plugwires as well as 2 coil packs(they only had 2 on the shelf)
I put the new stuff on and noticed the wire loom from the junkyard had a 2
pin connector on one end and a 3 pin on the other, HMMMM, I found out that the middle pin on the ICM side of the loom is a type of ground, you don't have to have it, but it makes the signal from the crank sensor
cleaner (less interferance from outside stuff).
I also noticed that the new crank sensor tip, the metal tip at the end,
was sticking out farther than the old one wich would decrease the air gap
between the crank and crank sensor.
I put all the stuff on and hit the key. YEE HAW!! she runs great! total cost was about 180.00 when done, but, IT'S DONE!!!!!
Now I'm grabbing a beer and heading out to the back yard and getting in the pool

PS
The Haynes manual cost me 17.00
and if you remove the coilpacks first, the coilpack plate is much easier to get at, no feeling for that bottom bolt
Later guys, surfs up
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Lt.carguy

INSANITY=DOING WHAT YOU"VE ALWAYS DONE
AND EXPECTING A DIFFERENT OUT COME
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