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-   1992-1999 (https://www.gmforum.com/1992-1999-91/)
-   -   GAH! Broke down..Cranks but no start. (https://www.gmforum.com/1992-1999-91/gah-broke-down-cranks-but-no-start-275700/)

Bonneville92V688 04-29-2008 10:40 AM

I got a spare ICM coming from whitecrystal1... I am gonna install it and see if it fixes it. I took the ICM up to Autozone again last night, and it FAILED the tests, yet a few days ago it passed. :roll: :evil:

Technical Ted 04-29-2008 10:46 AM

That's been known to happen.

Bonneville92V688 04-29-2008 02:01 PM

Yeah, and the funny thing is it was the same guy that tested it the other day. He actually said "Why do you want me to test it again? It passed."

I replied "Because these Wells machines are either unreliable, or are programmed to show pass/fail when it wants to." :lol:

Bonneville92V688 04-30-2008 03:29 PM

New ICM is in...

















Still no start. :evil:

i am clueless......12.10v at the pink wire, grounds are ok, no codes, I am totally confused.

banned3800 04-30-2008 03:43 PM

Check and see if you have injector pulse....

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Bonneville92V688 04-30-2008 04:14 PM

Just checked all grounds, cleaned them a little bit more, no change.

And just checked injector pulse, and the bulb doesn't even light up at all. :x

banned3800 04-30-2008 04:22 PM

Ok.... I believe that no spark and no fuel pulse may be grounds for replacing the Crank sensor..

Thoughts Guys?

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Technical Ted 04-30-2008 04:22 PM

Did you clean the mounting plate, bracket & bottom of ICM?

If so then try unplugging the cam sensor. If that doesn't help then you should swap crank sensors. Do you still have the old sensor?

Bonneville92V688 04-30-2008 04:28 PM

Mounting plate, bracket, and bottom of the ICM are all clean.

I'll unplug the cam sensor and see what it does... I am hoping it isn't the crank sensor, as it is a new ACDelco one... it was adjusted properly, so I know it didn't get eaten up, it ran for 4 days straight with no problems.

Bonneville92V688 04-30-2008 04:42 PM

Unbelievable.........





I unplugged the cam sensor, reached in and cranked it.... IT STARTED! :shock:

So... What's the problem then? :?


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