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Replaced engine, but no spark???? 98 Jimmy


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Alsauto
New User

Jun 27, 2012, 7:46 PM

Post #1 of 5 (1300 views)
Replaced engine, but no spark???? 98 Jimmy Sign In

I recently replace an engine in a 98 Gmc Jimmy 4x4. Cannot get a spark at all. I put a scanner on it and it came up that the problem was the crank sensor. I then replaced it and still no spark and scanner is still sayin the same thing....Please, any suggestions would be appreciated. I have checked everything.


Sidom
Veteran / Moderator
Sidom profile image

Jun 27, 2012, 8:01 PM

Post #2 of 5 (1292 views)
Re: Replaced engine, but no spark???? 98 Jimmy Sign In

Was the replacement engine the same year & size as the one you removed?






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Alsauto
New User

Jun 27, 2012, 8:15 PM

Post #3 of 5 (1281 views)
Re: Replaced engine, but no spark???? 98 Jimmy Sign In

Yes it was.


Sidom
Veteran / Moderator
Sidom profile image

Jun 27, 2012, 9:02 PM

Post #4 of 5 (1269 views)
Re: Replaced engine, but no spark???? 98 Jimmy Sign In

Shouldn't really matter but there are 2 different ones so if you could post the 8 digit of the vin would be helpful.
Check ECM 1 fuse, its a 15a, in block under the hood, wouldn't hurt to check all of them, under the hood and dash.
If the fuse is good make sure you have power on one of the terminals @ the ckp sensor connecter with the key on.
also make sure all the connecters are hook up good & tight at the control module........






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(This post was edited by Sidom on Jun 27, 2012, 9:15 PM)


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jun 28, 2012, 3:23 AM

Post #5 of 5 (1245 views)
Re: Replaced engine, but no spark???? 98 Jimmy Sign In

It's also pretty easy to bend the pins in the plug when inserting it. If you struggled to get the plug to lock, look inside the sensor for bent pins.



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