Computer Reset

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Feb 25, 2004 | 09:48 AM

b4_aftr

Thread Starter

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Joined: Nov 2003

Posts: 35

From: Sherman, TX

Computer Reset

I have heard that when a battery is not present for a while that the computer will need to be "reset",by charging the battery and at the same time have your key in the "ACC" position. I heard that is the only way I will be able to start my car.

Feb 25, 2004 | 10:34 AM

teke184

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Joined: Sep 1998

Posts: 8,319

From: US 1 Mile Marker 52 in the Florida Keys

never heard of that...

it will erase all the "learned" data so the car may not run perfect for a few days, untill it relearns all the fuel trim data

Feb 25, 2004 | 10:50 AM

PhantomTA

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Joined: May 1999

Posts: 2,881

From: Chelsea, MI

Re: Computer Reset

Quote:

Originally posted by b4_aftr
I have heard that when a battery is not present for a while that the computer will need to be "reset",by charging the battery and at the same time have your key in the "ACC" position. I heard that is the only way I will be able to start my car.

You dont have to do that

Feb 25, 2004 | 05:01 PM

93 LT1

Registered User

Joined: Mar 2002

Posts: 131

From: Darien, IL

Quote:

Originally posted by teke184
never heard of that...

it will erase all the "learned" data so the car may not run perfect for a few days, untill it relearns all the fuel trim data

Feb 25, 2004 | 10:28 PM

1sloLS1

Registered User

Joined: Apr 2002

Posts: 113

From: virginia beach va usa

disconnecting the bat. in an ls1 will not reset the comp. the only way you can do it is with a programmer of some sort or turning the key to acc and pulling the pcm bat fuse and the pcm ign fuse then turn key off and plug fuses back in.

Feb 25, 2004 | 11:14 PM

mullettour

Registered User

Joined: Sep 2003

Posts: 503

From: Mtn. Home AFB, ID (really from Texas)

Quote:

Originally posted by 1sloLS1
disconnecting the bat. in an ls1 will not reset the comp. the only way you can do it is with a programmer of some sort or turning the key to acc and pulling the pcm bat fuse and the pcm ign fuse then turn key off and plug fuses back in.

It will if you leave it disconnected long enough. I once reset mine by disconnecting the battery overnight and when I reconnected it and started my car it would not idle but after running for about 5-10 min it re-learned the right settings and has not had any problems since.