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 3800 gm crank angle relearn

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Two Rivs, no waiting
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Name : Edward H.
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3800 gm crank angle relearn Empty
PostSubject: 3800 gm crank angle relearn   3800 gm crank angle relearn EmptyThu Jun 06, 2024 9:46 am

Any advice on the "crank angle relearn" procedure?
This question is not specific to my Riv, as I have a Park Avenue that I will be replacing the  Powertrain Control Module. Thanks.
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Eldo
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3800 gm crank angle relearn Empty
PostSubject: Re: 3800 gm crank angle relearn   3800 gm crank angle relearn EmptyFri Jun 07, 2024 8:08 am

Two Rivs, no waiting wrote:
Any advice on the "crank angle relearn" procedure?
This question is not specific to my Riv, as I have a Park Avenue that I will be replacing the  Powertrain Control Module. Thanks.

I have the FSM procedure, but it requires the GM Tech II scanner/programmer... Do you have anything similar?
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Two Rivs, no waiting
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Name : Edward H.
Joined : 2024-04-10
Post Count : 7
Merit : 1

3800 gm crank angle relearn Empty
PostSubject: Re: 3800 gm crank angle relearn   3800 gm crank angle relearn EmptySun Jun 09, 2024 12:38 pm

I have the OTC monitor 4000 scanner, which is a year older than the car.
I can not find anything in the manual for this scanner that lists the procedure.
Some place I read about a series of specific directions to reset the ECM while driving.
I can't find where I put this info.
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albertj
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3800 gm crank angle relearn Empty
PostSubject: Re: 3800 gm crank angle relearn   3800 gm crank angle relearn EmptySun Jun 09, 2024 3:37 pm

Two Rivs, no waiting wrote:
I have the OTC monitor 4000 scanner, which is a year older than the car.
I can not find anything in the manual for this scanner that lists the procedure.
Some place I read about a series of specific directions to reset the ECM while driving.
I can't find where I put this info.

Directions to do the relearn without a Tech II are in the service manual.

If you can get your hands on a Tech II the following should help

https://www.gmforum.com/howto/1998SM/computer%20relearn%20procedures.pdf

There is also this for a relearn without scanner - I think this next post is (in general) the scannerless procedure in the manual, BUT you really need to refer to the PA manual:

https://www.totalcardiagnostics.com/support/Knowledgebase/Article/View/99/0/crank-relearn-instructions-with-and-without-an-obd-scannerreader

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3800 gm crank angle relearn Empty
PostSubject: Re: 3800 gm crank angle relearn   3800 gm crank angle relearn Empty

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